Exam 35: Structural Support and Movement

An __________ consists of hardened parts inside the body.

The following questions refer to the figure above of a section through bone. -Compact bone tissue is located in the area indicated by

-is where calcium ions have their effect.

-Spiders use high blood pressure for all of the following EXCEPT to

-The organism in the above photograph has which of the following structural systems?

Classification.Answer the following questions with reference to the muscles listed below. a.pectoralis major b.trapezius c.quadriceps femoris d.triceps e.gastrocnemius -This muscle is located on the upper shoulder.

Some bones have __________ that makes blood cells.

Signals from motor neurons result in action potentials in muscle fibers, which in turn causes the __________ to release stored calcium ions.

Action potentials traveling down the plasma membrane of a muscle fiber will next reach the

-is where actin filaments exist without myosin filaments overlapping.

MATCHING Classification.Answer the following questions with reference to the bones listed below. a.clavicle b.lumbar vertebra c.tibia d.metatarsal e.metacarpal -This bone is easily broken.

During moderate but prolonged exercise, most of the energy for contraction is supplied by

-The structure indicated by the letter "B" above represents

Why is back pain so common in humans?

Classification.Answer the following questions with reference to the muscles listed below. a.pectoralis major b.trapezius c.quadriceps femoris d.triceps e.gastrocnemius -This is a major muscle in the chest.

__________ are cells that synthesize bone, whereas __________ break bone down.

Classification.Answer the following questions with reference to the muscles listed below. a.pectoralis major b.trapezius c.quadriceps femoris d.triceps e.gastrocnemius -The Achilles tendon attaches this muscle to the heel bones.

MATCHING Classification.Answer the following questions with reference to the bones listed below. a.clavicle b.lumbar vertebra c.tibia d.metatarsal e.metacarpal -A ruptured disk is next to this bone.

-is a region where there are only myosin molecules.

In the absence of a nerve connection or electrical stimulation, can a muscle cell be made to contract in a laboratory setting?