Which long bone structure is correctly matched with its description or function?
a. epiphysis; the end of a bone that is composed of compact bone only
b. articular cartilage; fibrocartilage located at the ends of a bone
c. periosteum; responsible for growth in bone width
d. perforating fibers; blood vessels that penetrate the bone.
c. periosteum; responsible for growth in bone width
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Which of the following is an effector?
A. A gland B. An interneuron C. An efferent neuron D. An afferent neuron E. A sense organ
Which activity of the nephron will remove unwanted substances from the filtrate?
A) collecting system B) glomerular filtration C) tubular reabsorption D) tubular secretion
Action potentials would be conducted most rapidly by _____
Fill in the blank(s) with the appropriate word(s).
The mechanism of acid secretion by the parietal cells of the stomach involves the actions of the
A) Enzyme pepsid anhydrase. B) K+/H+ ATPase proton pump. C) Cl-/H+ exchanger. D) All of the above