A primary reason that the kidneys have one of the highest metabolic rates of all body organs is that

Question

Quizplus · Accepted Answer

The kidneys are responsible for filtering and regulating the concentration of ions and nutrients in the blood. This requires an extensive set of active-transport ion pumps, which consume a lot of energy and contribute to the high metabolic rate of the kidneys. The other options are not correct - the kidneys do not store excess fats, have variable permeability to water, shed excess nutrients or have an abundance of smooth muscle.

A Primary Reason That the Kidneys Have One of the Highest