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enot [183]
3 years ago
7

A countercurrent heat exchanger enables an animal to

Biology
1 answer:
kumpel [21]3 years ago
6 0

Some animals have adaptions to their circulatory system that enable them to transfer heat from arteries to veins, warming blood returning to the heart. This is called a countercurrent heat exchange; it prevents cold venous blood from cooling the heart and other internal organs.

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