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nekit [7.7K]
2 years ago
7

Describe how vertebrate gills and lungs are built to maximize surface area for gas exchange.

Medicine
1 answer:
Lapatulllka [165]2 years ago
5 0
Gills greatly increase the surface area for gas exchange. ... Water flows over gills in one direction while blood flows in the opposite direction through gill capillaries. This countercurrent flow maximizes oxygen transfer.
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