The countercurrent heat exchanger that prevents arterial blood from overheating the testes is the __________.

Question

Quizplus · Accepted Answer

The pampiniform plexus of veins is a countercurrent heat exchanger that prevents arterial blood from overheating the testes. This network of veins sits next to the testicular artery and cools the warm arterial blood before it reaches the testicular tissues. This allows for optimal conditions for sperm production and survival. A, B, D, and E are incorrect choices as they do not play a role in temperature regulation in the testes.

The Countercurrent Heat Exchanger That Prevents Arterial Blood from Overheating