Veins
1.are a major source of resistance in the systemic circulation.
2.are blood reservoirs.
3.have a thick layer of smooth muscle in their walls.
4.are pressure reservoirs.
5.contain less volume than the arteries.
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The hormone ANP causes systemic blood vessels to
A. constrict, which raises blood pressure. B. constrict, which lowers blood pressure. C. dilate, which raises blood pressure. D. dilate, which lowers blood pressure.
The reproductive system of the male produces which of the following endocrine hormones?
a. inhibin and testosterone b. FSH and ICSH c. LH and ICSH d. all of the listed responses are correct
Villikinin, motilin, and somatostatin are produced in the __________.
a. small intestine b. pancreas c. fundus of the stomach d. salivary glands
Ovaries produce which 2 hormones:
a. estrogen and testosterone b. estrogen and progesterone c. epinephrine and progesterone d. testosterone and norepinephrine