Exam 2: The Systems of the Body

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A localized infection

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Estrogen is responsible for

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Describe the structure of the cardiovascular system.Include the internal and external factors influencing heart rate and its impact on the heart's functioning.

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The cardiovascular system comprises the heart,blood vessels,and blood and acts as the transport system of the body.Blood carries oxygen from the lungs to the tissues and carbon dioxide from the tissues to the lungs.Blood also carries nutrients from the digestive tract to the individual cells so that the cells may extract nutrients for growth and energy.The heart functions as a pump,and its pumping action causes the blood to circulate throughout the body.The heart performs its internal functions through regular rhythmic phases of contraction and relaxation known as the cardiac cycle.A number of external factors also influence the rate at which the heart contracts and relaxes.During exercise,emotional excitement,or stress,the heart speeds up,and the cardiac cycle is completed in a shorter time.

Which of the following types of hepatitis is also known as serum hepatitis?

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An adult's body contains approximately _____ liters of blood,which consists of plasma and cells.

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Toxigenicity is the ability to

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_____ release cytokines that lead to inflammation and fever and promote wound healing.

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_____ is a chronic,nonprogressive disorder of the nervous system that is marked by the lack of muscle control.

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_____ prevent the passage of microbes from one section of the body to another.

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The _____ are a type of blood-forming cells that produce white blood cells.

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_____ results from below-normal numbers of red blood cells,and it interferes with the transportation of oxygen and carbon dioxide throughout the body.

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The largest group of cells involved in natural immunity is known as

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Respiratory movements are controlled by a respiratory center in the

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The endocrine system is responsible for fast-acting,short-duration responses to changes in the body.

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Epinephrine and norepinephrine are together termed as

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The _____ coordinates voluntary muscle movement,the maintenance of balance and equilibrium,and the maintenance of muscle tone and posture.

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_____ cancer is known to be the most lethal form of cancer that affects women.

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Progesterone increases when pregnancy fails to occur.

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Which of the following hormones secreted by the pituitary gland regulates bone,muscle,and other organ development?

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One of the chief functions of the kidneys is to

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