The ability to form a concentrated urine depends on the functions of
A) the proximal convoluted tubule.
B) the distal convoluted tubule.
C) the collecting duct.
D) the nephron loop loop of Henle).
E) both C and D

Question

Quizplus · Accepted Answer

The collecting duct and the nephron loop (loop of Henle) are crucial for concentrating urine. The loop of Henle creates a concentration gradient in the medulla, and the collecting duct uses this gradient to reabsorb water, concentrating the urine.

The Ability to Form a Concentrated Urine Depends on the Functions