The most dramatic functional change that occurs in the endocrine system due to aging is __________.
a. a decrease in blood and tissue concentrations of ADH and TSH
b. an overall decrease in circulating hormone levels
c. a decline in the concentration of reproductive hormones
d. all of the listed responses are correct
Ans: c. a decline in the concentration of reproductive hormones
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A) A. B) B. C) C. D) E. E) F.
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The hepatic portal system allows for the processing of
A. drugs and toxins in the blood so that they are secreted directly into the urine. B. bacteria that grow in the large intestine but need to be regulated. C. nutrients and toxins absorbed from the gastrointestinal system into the blood. D. hormones that are secreted by glands and must be directed to their target organs.
How does a herniated disc differ from a bulging disc?
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