A countercurrent mechanism is in

A countercurrent mechanism is in


A. the afferent and efferent arterioles.

B. the glomerulus and Bowman's capsule.

C. the proximal and distal convoluted tubules.

D. the loop of Henle only.

E. both the loop of Henle and the vasa recta.


Answer: E. both the loop of Henle and the vasa recta.


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Biology Chapter 26

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