Multiple Choice
A primary reason that the kidneys have one of the highest metabolic rates of all body organs is that ________.
A) they have membranes of varying permeability to water
B) they operate an extensive set of active-transport ion pumps
C) they are the body's only means of shedding excess nutrients
D) they have an abundance of myogenic smooth muscle
Correct Answer:

Verified
Correct Answer:
Verified
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