A countercurrent mechanism is in
A) the afferent and efferent arterioles.
B) the glomerulus and Bowman capsule.
C) the proximal and distal convoluted tubules.
D) the loop of Henle only.
E) both the loop of Henle and the vasa recta.

Question

Quizplus · Accepted Answer

The countercurrent mechanism, which is crucial for concentrating urine and conserving water in the body, primarily involves the loop of Henle and the vasa recta in the kidney. This mechanism allows for the efficient exchange of solutes and water, contributing to the regulation of the body's fluid and electrolyte balance.

A Countercurrent Mechanism Is in