Which statement best explains the relatively high metabolic rate of kidneys compared to the other body organs?
A) they have membranes of varying permeability to water
B) they operate an extensive set of ion pumps
C) they are the body's only means of shedding excess nutrients
D) they have an abundance of myogenic smooth muscle

Question

Quizplus · Accepted Answer

Kidneys have a high metabolic rate primarily because they operate an extensive set of ion pumps to regulate the composition of blood, including the reabsorption of ions and water, and the excretion of waste products. This process requires significant energy.

Which Statement Best Explains the Relatively High Metabolic Rate of Kidneys