The function of the collecting duct is to
A) contract its muscular walls to expel urine from the cortex.
B) determine the final volume and concentration of urine.
C) drain blood from the kidney and deliver it to the renal vein.
D) transport resorbed water back into the cardiovascular system.

Question

Quizplus · Accepted Answer

The collecting duct is responsible for determining the final volume and concentration of urine by selectively reabsorbing or secreting water and solutes. It does not contract to expel urine, drain blood, or transport water back into the cardiovascular system.

The Function of the Collecting Duct Is to