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mamaluj [8]
3 years ago
5

Compare how the surface area for gas exchange is increased in gills and lungs

Biology
1 answer:
Zanzabum3 years ago
5 0
Gills. Gills greatly increase the surface area for gas exchange. ... Gills are very efficient at removing oxygen from water: there is only 1/20 the amount of oxygen present in water as in the same volume of air. Water flows over gills in one direction while blood flows in the opposite direction through gill capillaries.
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