The __________ secretes a hormone that increases the body's metabolic rate, promotes alertness, quickens reflexes, and stimulates the fetal nervous system.
A. thyroid gland
B. pancreas
C. adrenal gland
D. parathyroid gland
E. thymus
A. thyroid gland
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Which of the following statements describes the function of basophils in the second line of defense?
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Physical evidence that supports the sliding filament theory of muscle contraction includes
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