Endocrine glands empty their products into ________ and are referred to as ________ glands, while exocrine gland secretions empty into ________ or onto surfaces
A) cells; cellular; interstitial fluid
B) interstitial fluid; ducted; cells
C) interstitial fluid; ducted; interstitial fluid
D) interstitial fluid; ductless; ducts
E) ducts; ducted; interstitial fluid
Answer: D
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When you turn your head to the left to look over your left shoulder, the hairs in the cupula of the horizontal semicircular canals will be bent to the left.
Answer the following statement true (T) or false (F)
When chemoreceptors in blood vessels detect high levels of carbon dioxide in the blood, they stimulate all of the following changes EXCEPT
a) increased vasoconstriction of arterioles. b) increased blood pressure. c) decreased respiratory rate. d) increased sympathetic stimulation of arterioles and veins. e) increased vasoconstriction of veins.
The calcium hydroxide experiment demonstrates that
A. there is a much higher concentration of CO2 in expired air than in atmospheric air. B. there is a much higher concentration of O2 in expired air than in atmospheric air. C. the concentrations of CO2 in expired air and atmospheric air are approximately equal. D. there is a much lower concentration of O2 in expired air than in atmospheric air. E. there is a much lower concentration of CO2 in expired air than in atmospheric air.
The clinical term for "growing old" is
A) maturation. B) aging. C) senescence. D) apoptosis. E) senility.