In the kidneys, the process of tubular secretion enables the tubules to put substances into the:
A)blood to be excreted
B)filtrate to be retained in the body
C)blood to be retained in the body
D)filtrate to be excreted

Question

Quizplus · Accepted Answer

Tubular secretion is the process by which substances are actively transported from the peritubular capillaries into the renal tubules to be excreted in the urine. Therefore, option D is the correct choice as it states that tubular secretion enables substances to be put into the filtrate to be excreted.

In the Kidneys, the Process of Tubular Secretion Enables the Tubules