The loop of Henle is a countercurrent exchanger because it creates a concentration gradient rather than simply maintaining it.

Name: The loop of Henle is a countercurrent exchanger because it creates a concentration gradient rather than simply maintaining it.
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Quizplus · Accepted Answer

The loop of Henle acts as a countercurrent multiplier, not exchanger, because it actively creates and amplifies a concentration gradient in the kidney's medulla, which is essential for water reabsorption.

The Loop of Henle Is a Countercurrent Exchanger Because It