Exocrine glands differ from endocrine glands in that exocrine glands
A. secrete through ducts or tubes to the body's exterior.
B. secrete only local hormones.
C. only secrete salts.
D. secrete only into the bloodstream.
Answer: A
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The chief difference between plasma and interstitial fluid involves the concentration of
A) water. B) electrolytes. C) nitrogen wastes. D) proteins. E) glucose.
The sense of proprioception passes along the ________ pathway
A) rubriocerebellar B) corticospinal C) spinocerebellar D) decussation pathways E) ganglion
Blood leaves the right ventricle through the ________ valve to reach the capillaries supplying the lungs.
A) aortic B) mitral C) pulmonary D) tricuspid E) bicuspid
The region of the sarcomere that always contains thin filaments is the
A) Z line. B) M line. C) H band. D) A band. E) I band.