Deck 39: Animal Structure and Function: an Introduction
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Deck 39: Animal Structure and Function: an Introduction
1
Figure 39-1
Use the figure to answer the corresponding question(s).
Refer to Figure 39-1.What major function is associated with this type of tissue?
A) protection of underlying cells from abrasion
B) movement of materials along a tissue surface
C) producing secretions such as mucus and sweat
D) secretion and absorption
E) strength.
Use the figure to answer the corresponding question(s).

Refer to Figure 39-1.What major function is associated with this type of tissue?
A) protection of underlying cells from abrasion
B) movement of materials along a tissue surface
C) producing secretions such as mucus and sweat
D) secretion and absorption
E) strength.
B
2
Exocrine glands:
A) have products that are transported via the circulatory system.
B) lack ducts.
C) include goblet cells and sweat glands.
D) release hormones.
E) lack epithelial tissue.
A) have products that are transported via the circulatory system.
B) lack ducts.
C) include goblet cells and sweat glands.
D) release hormones.
E) lack epithelial tissue.
C
3
The four basic animal tissues are:
A) connective, digestive, nervous, and respiratory.
B) blood, bone, connective, and epithelial.
C) epithelial, connective, muscle, and nervous.
D) digestive, nervous, reproductive, and respiratory.
E) circulatory, excretory, respiratory, and sensory.
A) connective, digestive, nervous, and respiratory.
B) blood, bone, connective, and epithelial.
C) epithelial, connective, muscle, and nervous.
D) digestive, nervous, reproductive, and respiratory.
E) circulatory, excretory, respiratory, and sensory.
C
4
The type of epithelial tissue you would expect to find lining the upper respiratory tract is:
A) pseudostratified columnar epithelium.
B) simple squamous epithelium.
C) ciliated columnar epithelium.
D) stratified squamous epithelium.
E) ciliated squamous epithelium.
A) pseudostratified columnar epithelium.
B) simple squamous epithelium.
C) ciliated columnar epithelium.
D) stratified squamous epithelium.
E) ciliated squamous epithelium.
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5
Which type of epithelial cells will provide the most protection against abrasion, such as your foot rubbing against the bottom of your shoe?
A) simple squamous
B) stratified squamous
C) simple cuboidal
D) pseudostratified columnar
E) endothelium
A) simple squamous
B) stratified squamous
C) simple cuboidal
D) pseudostratified columnar
E) endothelium
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6
Which of the following could be used to demonstrate a homeostatic mechanism?
A) city buses transporting people from their houses to their jobs
B) water stored behind a dam being released to make electricity
C) a hot water heater keeping the water temperature near 100 degrees
D) a series of underground passageways connected to a large building
E) the seasonal changes that occur in the daily temperature
A) city buses transporting people from their houses to their jobs
B) water stored behind a dam being released to make electricity
C) a hot water heater keeping the water temperature near 100 degrees
D) a series of underground passageways connected to a large building
E) the seasonal changes that occur in the daily temperature
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7
Epithelial tissue is least likely to:
A) contract.
B) be specialized as sensory receptors.
C) provide protection.
D) regulate exchange of substances between parts of the body.
E) produce and secrete cell products.
A) contract.
B) be specialized as sensory receptors.
C) provide protection.
D) regulate exchange of substances between parts of the body.
E) produce and secrete cell products.
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8
Which of the following is not an explanation for the increased body size of animals?
A) It is related to their ecological niche.
B) Predators are usually larger than their prey.
C) They needed a new body plan to be successful.
D) Large size gave greater opportunity for capturing food.
E) Larger size required larger cells.
A) It is related to their ecological niche.
B) Predators are usually larger than their prey.
C) They needed a new body plan to be successful.
D) Large size gave greater opportunity for capturing food.
E) Larger size required larger cells.
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9
Tissues associate to form:
A) cells.
B) organs.
C) organ systems.
D) organisms.
E) tumor.
A) cells.
B) organs.
C) organ systems.
D) organisms.
E) tumor.
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10
Select the best reason why collagen fibers are abundant in tendons.
A) abrasion
B) contractility
C) protection
D) strength
E) secretion
A) abrasion
B) contractility
C) protection
D) strength
E) secretion
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11
Figure 39-1
Use the figure to answer the corresponding question(s).
Which of the following is one of the main locations for the type of tissue in Figure 39-1?
A) lining of the digestive tract
B) within blood vessels
C) dermis of the skin
D) respiratory passages
E) air sacs of the lungs
Use the figure to answer the corresponding question(s).

Which of the following is one of the main locations for the type of tissue in Figure 39-1?
A) lining of the digestive tract
B) within blood vessels
C) dermis of the skin
D) respiratory passages
E) air sacs of the lungs
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12
Figure 39-1
Use the figure to answer the corresponding question(s).
The type of tissue illustrated in Figure 39-1 is:
A) elastic connective tissue.
B) simple squamous epithelium.
C) pseudostratified epithelium.
D) cartilage.
E) adipose tissue.
Use the figure to answer the corresponding question(s).

The type of tissue illustrated in Figure 39-1 is:
A) elastic connective tissue.
B) simple squamous epithelium.
C) pseudostratified epithelium.
D) cartilage.
E) adipose tissue.
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13
A tissue is represented by a group of __________ adapted to carry out __________.
A) closely associated, similar cells; specific functions
B) closely associated, different cells; specific functions
C) loosely associated, different cells; different functions
D) loosely associated, different cells; specific functions
E) closely associated, similar cells; different function
A) closely associated, similar cells; specific functions
B) closely associated, different cells; specific functions
C) loosely associated, different cells; different functions
D) loosely associated, different cells; specific functions
E) closely associated, similar cells; different function
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14
Which membrane type lines body cavities that open to the outside of the body, such as the digestive tract?
A) serous membrane
B) exocrine membrane
C) endocrine membrane
D) basement membrane
E) mucous membrane
A) serous membrane
B) exocrine membrane
C) endocrine membrane
D) basement membrane
E) mucous membrane
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15
Which of the following examples could be used to describe the relationship between cells and tissues?
A) five 2100 model computers with the same features linked together to perform mathematical calculations
B) five 2100 model computers with the same features connected to the internet
C) three 2100 model computers linked for mathematical calculations joined to two 2100 model computers linked for processing student records
D) three 2100 model computers made by Dell and three 2500 model computers made by Hewlett Packard connected to the same internet
E) five different types of computer discs containing stored information
A) five 2100 model computers with the same features linked together to perform mathematical calculations
B) five 2100 model computers with the same features connected to the internet
C) three 2100 model computers linked for mathematical calculations joined to two 2100 model computers linked for processing student records
D) three 2100 model computers made by Dell and three 2500 model computers made by Hewlett Packard connected to the same internet
E) five different types of computer discs containing stored information
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16
Which of the following is specifically affected when the dentist gives you a shot to reduce the amount of saliva you produce?
A) endocrine glands
B) exocrine glands
C) goblet cells
D) hormone release
E) apical cells
A) endocrine glands
B) exocrine glands
C) goblet cells
D) hormone release
E) apical cells
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17
Lungs absorb oxygen from inhaled air, and the small intestine move ingested material through the digestive tract and absorbs nutrients from ingested food.Which of the following statements describes the type of epithelium you would expect to line each of these surfaces?
A) They are both lined by a simple squamous epithelium.
B) They are both lined by a simple cuboidal epithelium.
C) The lungs are lined by a simple squamous epithelium, and the small intestine is lined by a ciliated columnar epithelium.
D) The lungs are lined by a columnar epithelium, and the small intestine is lined by a simple squamous epithelium.
E) The lungs are lined by a simple squamous epithelium, and the small intestine is lined by a simple cuboidal epithelium.
A) They are both lined by a simple squamous epithelium.
B) They are both lined by a simple cuboidal epithelium.
C) The lungs are lined by a simple squamous epithelium, and the small intestine is lined by a ciliated columnar epithelium.
D) The lungs are lined by a columnar epithelium, and the small intestine is lined by a simple squamous epithelium.
E) The lungs are lined by a simple squamous epithelium, and the small intestine is lined by a simple cuboidal epithelium.
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18
Which of the following statements is false? Typically, one surface of an epithelial tissue layer:
A) is attached to a basement membrane.
B) is freely exposed.
C) lines cavities.
D) consists of loosely packed cells with several intermediate spaces.
E) covers body surfaces.
A) is attached to a basement membrane.
B) is freely exposed.
C) lines cavities.
D) consists of loosely packed cells with several intermediate spaces.
E) covers body surfaces.
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19
Homeostatic mechanisms are processes that:
A) connect distant parts of the body by transporting materials.
B) store and release fuel needed for cellular respiration.
C) maintain a relatively constant internal environment.
D) form lamellae within the osteons.
E) relay, process, and store information.
A) connect distant parts of the body by transporting materials.
B) store and release fuel needed for cellular respiration.
C) maintain a relatively constant internal environment.
D) form lamellae within the osteons.
E) relay, process, and store information.
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20
For gas exchange to occur quickly and efficiently, which type of epithelium must be present on all respiratory surfaces?
A) pseudostratified columnar epithelium
B) simple squamous epithelium
C) ciliated columnar epithelium
D) stratified squamous epithelium
E) ciliated squamous epithelium
A) pseudostratified columnar epithelium
B) simple squamous epithelium
C) ciliated columnar epithelium
D) stratified squamous epithelium
E) ciliated squamous epithelium
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21
Bone cells called __________ continually remodel bone.
A) chondrocytes
B) adipocytes
C) osteons
D) osteocytes
E) lamellae
A) chondrocytes
B) adipocytes
C) osteons
D) osteocytes
E) lamellae
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22
Figure 39-2
Use the figure to answer the corresponding question(s).
Intercalated disks are gap junctions between cells of:
A) smooth muscle tissue.
B) skeletal muscle tissue.
C) cardiac muscle tissue.
D) both skeletal and cardiac muscle tissue.
E) all forms of muscle tissue.
Use the figure to answer the corresponding question(s).

Intercalated disks are gap junctions between cells of:
A) smooth muscle tissue.
B) skeletal muscle tissue.
C) cardiac muscle tissue.
D) both skeletal and cardiac muscle tissue.
E) all forms of muscle tissue.
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23
Which of the following would not be found in loose connective tissue?
A) collagen fibers
B) reticular fibers
C) actin proteins
D) elastic fibers
E) fibroblasts
A) collagen fibers
B) reticular fibers
C) actin proteins
D) elastic fibers
E) fibroblasts
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24
Cartilage is different from bone because cartilage:
A) is rich in nerves.
B) contains veins.
C) has a matrix that is composed almost exclusively of collagen.
D) contains lymphatic vessels.
E) contains arteries.
A) is rich in nerves.
B) contains veins.
C) has a matrix that is composed almost exclusively of collagen.
D) contains lymphatic vessels.
E) contains arteries.
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25
Bone cells communicate with one another by:
A) Haversian canals.
B) cellular extensions running through canaliculi.
C) lymphatic vessels.
D) diffusion through the matrix.
E) lamellae.
A) Haversian canals.
B) cellular extensions running through canaliculi.
C) lymphatic vessels.
D) diffusion through the matrix.
E) lamellae.
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26
Figure 39-2
Use the figure to answer the corresponding question(s).
The type of tissue represented by Figure 39-2 is:
A) adipose tissue.
B) bone.
C) cartilage.
D) simple squamous epithelium.
E) elastic connective tissue.
Use the figure to answer the corresponding question(s).

The type of tissue represented by Figure 39-2 is:
A) adipose tissue.
B) bone.
C) cartilage.
D) simple squamous epithelium.
E) elastic connective tissue.
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27
Which of the following is not a function of adipose tissue?
A) storing food
B) secretion
C) storing fat
D) insulation
E) supporting organs
A) storing food
B) secretion
C) storing fat
D) insulation
E) supporting organs
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28
The risk of developing cancer can be decreased by:
A) increasing the amount of nitrates in the diet.
B) exposing questionable tumors to x-rays.
C) increasing the amount of unprocessed fruits in the diet.
D) examining the breasts and testes every two years.
E) exposing neoplasms to UV radiation.
A) increasing the amount of nitrates in the diet.
B) exposing questionable tumors to x-rays.
C) increasing the amount of unprocessed fruits in the diet.
D) examining the breasts and testes every two years.
E) exposing neoplasms to UV radiation.
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29
Figure 39-1
Use the figure to answer the corresponding question(s).
The difference between elastic and reticular fibers is that only elastic fibers:
A) are branched.
B) stretch.
C) are made of collagen.
D) form the supporting framework for organs.
E) have a high tensile strength.
Use the figure to answer the corresponding question(s).

The difference between elastic and reticular fibers is that only elastic fibers:
A) are branched.
B) stretch.
C) are made of collagen.
D) form the supporting framework for organs.
E) have a high tensile strength.
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30
Figure 39-1
Use the figure to answer the corresponding question(s).
Which of the following is not a type of connective tissue?
A) skin
B) adipose tissue
C) blood
D) bone
E) lymph
Use the figure to answer the corresponding question(s).

Which of the following is not a type of connective tissue?
A) skin
B) adipose tissue
C) blood
D) bone
E) lymph
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31
Why is bone vascular but cartilage avascular?
A) Diffusion alone could not provide enough nourishment to bone cells, as it does for cartilage.
B) Vascular tissue makes the bone lighter.
C) Vascular tissue adds to the strength of the bone.
D) Only bone contains lacunae.
E) There is little space for arteries and veins in cartilage.
A) Diffusion alone could not provide enough nourishment to bone cells, as it does for cartilage.
B) Vascular tissue makes the bone lighter.
C) Vascular tissue adds to the strength of the bone.
D) Only bone contains lacunae.
E) There is little space for arteries and veins in cartilage.
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32
Which cells or cell components play an essential role in the clotting of blood?
A) erythrocytes
B) platelets
C) leukocytes
D) hemoglobin
E) plasma
A) erythrocytes
B) platelets
C) leukocytes
D) hemoglobin
E) plasma
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33
If dense bone lacked canaliculi:
A) there would be no blood supply to the cells.
B) diffusion between cells would not be possible.
C) there would be no nerve supply to the tissue.
D) the extracellular matrix would not be formed by osteoblasts.
E) the osteoclasts would not be able to remodel the bone.
A) there would be no blood supply to the cells.
B) diffusion between cells would not be possible.
C) there would be no nerve supply to the tissue.
D) the extracellular matrix would not be formed by osteoblasts.
E) the osteoclasts would not be able to remodel the bone.
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34
One difference between cardiac muscle fibers and skeletal muscle fibers is that cardiac muscle fibers:
A) have several nuclei, while skeletal muscle fibers do not.
B) are not striated, while skeletal muscle fibers are.
C) are under voluntary control, while skeletal muscle fibers are not.
D) branch and form complex networks, while skeletal muscle fibers do not.
E) are cylindrical-shaped, while skeletal muscle fibers are spindle-shaped.
A) have several nuclei, while skeletal muscle fibers do not.
B) are not striated, while skeletal muscle fibers are.
C) are under voluntary control, while skeletal muscle fibers are not.
D) branch and form complex networks, while skeletal muscle fibers do not.
E) are cylindrical-shaped, while skeletal muscle fibers are spindle-shaped.
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35
Which of the following cell types would not be found in connective tissue?
A) macrophages
B) red blood cells
C) chondrocytes
D) pseudostratified cells
E) adipose cells
A) macrophages
B) red blood cells
C) chondrocytes
D) pseudostratified cells
E) adipose cells
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36
Figure 39-2
Use the figure to answer the corresponding question(s).
One function of the type of tissue represented in Figure 39-2 is:
A) insulation.
B) flexible support.
C) calcium reservoir.
D) oxygen transport.
E) secretion and absorption.
Use the figure to answer the corresponding question(s).

One function of the type of tissue represented in Figure 39-2 is:
A) insulation.
B) flexible support.
C) calcium reservoir.
D) oxygen transport.
E) secretion and absorption.
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37
Cartilage-producing cells occupy small cavities in cartilage called __________, while bone-producing cells occupy cavities in bone called __________.
A) lacunae; Haversian canals
B) canaliculi; Haversian canals
C) lacunae; canaliculi
D) lamellae; lacunae
E) lacunae; lacunae
A) lacunae; Haversian canals
B) canaliculi; Haversian canals
C) lacunae; canaliculi
D) lamellae; lacunae
E) lacunae; lacunae
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38
The major constituent of regular dense connective tissue is:
A) adipose cells.
B) collagen fibers.
C) reticular fibers.
D) macrophages.
E) a semifluid matrix.
A) adipose cells.
B) collagen fibers.
C) reticular fibers.
D) macrophages.
E) a semifluid matrix.
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39
Although they are two different types of connective tissue, cartilage and bone have what feature in common?
A) lacunae and Haversian canals
B) canaliculi and Haversian canals
C) lacunae and canaliculi
D) lamellae
E) lacunae
A) lacunae and Haversian canals
B) canaliculi and Haversian canals
C) lacunae and canaliculi
D) lamellae
E) lacunae
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40
Figure 39-2
Use the figure to answer the corresponding question(s).
Both smooth muscle fibers and cardiac muscle fibers:
A) have striations.
B) are under involuntary control.
C) are multinucleate.
D) have a comparable intermediate resistance to fatigue.
E) have a comparable intermediate speed of contraction.
Use the figure to answer the corresponding question(s).

Both smooth muscle fibers and cardiac muscle fibers:
A) have striations.
B) are under involuntary control.
C) are multinucleate.
D) have a comparable intermediate resistance to fatigue.
E) have a comparable intermediate speed of contraction.
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41
Figure 39-3
Use the figure to answer the corresponding question(s).
Based on Figure 39-3, which of the following is not a response to a decrease in body temperature?
A) the release of thyroid hormone.
B) the contraction of blood vessels.
C) an increase in metabolic rate.
D) an increase in voluntary movement.
E) evaporation of water.
Use the figure to answer the corresponding question(s).

Based on Figure 39-3, which of the following is not a response to a decrease in body temperature?
A) the release of thyroid hormone.
B) the contraction of blood vessels.
C) an increase in metabolic rate.
D) an increase in voluntary movement.
E) evaporation of water.
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42
The integumentary system
A) covers and protects the body.
B) connects muscles to skin.
C) suspends organs in the abdominal cavity.
D) contains endocrine glands.
E) regulates muscle control.
A) covers and protects the body.
B) connects muscles to skin.
C) suspends organs in the abdominal cavity.
D) contains endocrine glands.
E) regulates muscle control.
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43
Which of the following is an external stressor?
A) noise
B) low blood sugar
C) blood pressure
D) salt concentrations
E) pH
A) noise
B) low blood sugar
C) blood pressure
D) salt concentrations
E) pH
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44
A negative feedback system is designed to set off mechanisms that will:
A) lower the abnormal value until it reaches its normal level.
B) increase the abnormal value until it reaches normal levels.
C) return the system to steady-state levels.
D) speed up the body's response until it reaches its normal levels.
E) slow down the metabolic rate until steady-state levels are reached.
A) lower the abnormal value until it reaches its normal level.
B) increase the abnormal value until it reaches normal levels.
C) return the system to steady-state levels.
D) speed up the body's response until it reaches its normal levels.
E) slow down the metabolic rate until steady-state levels are reached.
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45
Figure 39-3
Use the figure to answer the corresponding question(s).
In Figure 39-3, the responses initiated at point A in response to an increase in body temperature include:
A) a decrease in sweating and panting.
B) a decrease in muscle activity.
C) a constriction of blood vessels.
D) an increase in metabolism.
E) shivering.
Use the figure to answer the corresponding question(s).

In Figure 39-3, the responses initiated at point A in response to an increase in body temperature include:
A) a decrease in sweating and panting.
B) a decrease in muscle activity.
C) a constriction of blood vessels.
D) an increase in metabolism.
E) shivering.
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46
Figure 39-3
Use the figure to answer the corresponding question(s).
Which of the following is an example of a positive feedback mechanism?
A) increase in body temperature when exposed to cold
B) increased muscle contractions during labor
C) decreased insulin production in response to low blood sugar
D) increased respiration rate in response to decreased blood pH
E) Both choices A and B are correct.
Use the figure to answer the corresponding question(s).

Which of the following is an example of a positive feedback mechanism?
A) increase in body temperature when exposed to cold
B) increased muscle contractions during labor
C) decreased insulin production in response to low blood sugar
D) increased respiration rate in response to decreased blood pH
E) Both choices A and B are correct.
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47
In a nerve cell, the function of the dendrites is to:
A) conduct impulses away from the cell body.
B) attach the neuron to connective tissue.
C) receive impulses and conduct them to the cell body.
D) increase the speed at which nerve impulses are carried away from the cell body.
E) support and nourish the neuron.
A) conduct impulses away from the cell body.
B) attach the neuron to connective tissue.
C) receive impulses and conduct them to the cell body.
D) increase the speed at which nerve impulses are carried away from the cell body.
E) support and nourish the neuron.
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48
Briefly discuss mechanisms that ectotherms can use to regulate their body temperature.
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49
A primary difference between a normal cell and a cancerous cell is
A) the cell must be directly exposed to a carcinogen.
B) the cell must lose normal cell division controls
C) the cell must go through mitosis at least 25 times.
D) the cell must be located in either connective tissue or muscle.
E) the cell must be located in epithelial tissue..
A) the cell must be directly exposed to a carcinogen.
B) the cell must lose normal cell division controls
C) the cell must go through mitosis at least 25 times.
D) the cell must be located in either connective tissue or muscle.
E) the cell must be located in epithelial tissue..
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50
Panting in mammals is the equivalent of which process in birds?
A) panting
B) sweating
C) estivation
D) acclimatization
E) torpor
A) panting
B) sweating
C) estivation
D) acclimatization
E) torpor
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51
Ectothermic animals:
A) depend on heat from the external environment to adjust their body temperatures.
B) may dilate blood vessels to increase blood flow and heat to the skin.
C) maintain a relatively constant body temperature despite external temperatures.
D) may have feathers to keep them insulated.
E) may have body fat to keep them insulated.
A) depend on heat from the external environment to adjust their body temperatures.
B) may dilate blood vessels to increase blood flow and heat to the skin.
C) maintain a relatively constant body temperature despite external temperatures.
D) may have feathers to keep them insulated.
E) may have body fat to keep them insulated.
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52
Which of the following statements concerning the heart is false?
A) It is an organ.
B) It contains endothelium.
C) It contains nerves.
D) It is an organ system.
E) It contains smooth muscle.
A) It is an organ.
B) It contains endothelium.
C) It contains nerves.
D) It is an organ system.
E) It contains smooth muscle.
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53
The ability of animals to adjust to seasonal changes in temperature is called:
A) acclimatization.
B) estivation.
C) homeostatic adjustment.
D) torpor.
E) hibernation.
A) acclimatization.
B) estivation.
C) homeostatic adjustment.
D) torpor.
E) hibernation.
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54
Carcinomas describe:
A) cancers that develop from connective tissue.
B) cancers that develop from muscle.
C) cancers that develop from epithelial tissue.
D) the migration of cancer cells through blood or lymph channels.
E) genes that transform normal cells into cancer cells.
A) cancers that develop from connective tissue.
B) cancers that develop from muscle.
C) cancers that develop from epithelial tissue.
D) the migration of cancer cells through blood or lymph channels.
E) genes that transform normal cells into cancer cells.
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55
Thermoregulation in ectotherms can be accomplished by all of the following except:
A) migration.
B) basking.
C) burrowing.
D) seasonal variations in the external environment.
E) increasing their metabolism.
A) migration.
B) basking.
C) burrowing.
D) seasonal variations in the external environment.
E) increasing their metabolism.
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56
Which of the following correctly represents length of axons found in humans?
A) 0.1 to 1 mm
B) 1 to 10 mm
C) 1 mm to 10 cm
D) 1 mm to 1 m
E) over 1 m
A) 0.1 to 1 mm
B) 1 to 10 mm
C) 1 mm to 10 cm
D) 1 mm to 1 m
E) over 1 m
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57
Studies suggest that to become malignant, neoplasms must establish
A) contact inhibition.
B) a blood supply.
C) a nutrient source.
D) a second genetic mutation.
E) a mutation.
A) contact inhibition.
B) a blood supply.
C) a nutrient source.
D) a second genetic mutation.
E) a mutation.
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58
Explain the relationship between body size and multicellularity.
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59
Figure 39-3
Use the figure to answer the corresponding question(s).
The state of torpor caused by lack of food or water during periods of high temperature is called:
A) acclimatization.
B) hibernation.
C) conformation.
D) estivation.
E) integration.
Use the figure to answer the corresponding question(s).

The state of torpor caused by lack of food or water during periods of high temperature is called:
A) acclimatization.
B) hibernation.
C) conformation.
D) estivation.
E) integration.
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60
Which of the following statements about stress is true?
A) It impacts only one organ system at a given time.
B) It does not influence the function of the nervous system.
C) It causes a body response to attempt to maintain homeostasis.
D) It means that the internal and external environments are stable.
E) It impacts only one organ at a given time.
A) It impacts only one organ system at a given time.
B) It does not influence the function of the nervous system.
C) It causes a body response to attempt to maintain homeostasis.
D) It means that the internal and external environments are stable.
E) It impacts only one organ at a given time.
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61
Reticular fibers are the most numerous type of fiber that comprise connective tissue.
____________________
____________________
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62
The cells that comprise pseudostratified epithelium occur in layers.
____________________
____________________
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63
Briefly discuss physiological mechanisms that regulate body temperature in endotherms.
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64
Shivering helps increase body temperature.
____________________
____________________
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65
MATCHING
Match the tissue with its description.
a.connective
c.muscle
b.epithelial
d.nervous
bone
Match the tissue with its description.
a.connective
c.muscle
b.epithelial
d.nervous
bone
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66
MATCHING
Match the tissue with its description.
a.connective
c.muscle
b.epithelial
d.nervous
fibroblasts
Match the tissue with its description.
a.connective
c.muscle
b.epithelial
d.nervous
fibroblasts
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67
Cardiac muscle fibers lack striations.
____________________
____________________
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68
Glial cells support and nourish neurons.
____________________
____________________
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69
MATCHING
Match the tissue with its description.
a.connective
c.muscle
b.epithelial
d.nervous
glands
Match the tissue with its description.
a.connective
c.muscle
b.epithelial
d.nervous
glands
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70
In bone, capillaries and nerves pass through Haversian canals.
____________________
____________________
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71
MATCHING
Match the tissue with its description.
a.connective
c.muscle
b.epithelial
d.nervous
synapses
Match the tissue with its description.
a.connective
c.muscle
b.epithelial
d.nervous
synapses
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72
The cells of bone are called chondrocytes.
____________________
____________________
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73
Briefly discuss five ways to decrease your risk of developing cancer.
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74
Platelets are cellular fragments.
____________________
____________________
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75
Cuboidal epithelial cells are thin, flat cells.
____________________
____________________
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76
A serous membrane lines a body cavity that does not open to the outside of the body.
____________________
____________________
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77
MATCHING
Match the tissue with its description.
a.connective
c.muscle
b.epithelial
d.nervous
blood
Match the tissue with its description.
a.connective
c.muscle
b.epithelial
d.nervous
blood
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78
Epithelial tissues are attached to the underlying tissues by a basement membrane.
____________________
____________________
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79
The human body's "thermostat" is the hypothalamus.
____________________
____________________
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80
Endotherms depend on the environment for their body heat.
____________________
____________________
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