Explain why fish do not need a three-chambered or four-chambered heart for proper circulation.

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Medical Sciences

Explain why fish do not need a three-chambered orfour-chambered heart for proper circulation.

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The heart of a fish has two chambers an atrium and a ventricle Deoxygenated blood arrives from the body enters the atrium and then the ventricle where it is pumped to the body via the gills Blood is pumped from the heart through the capillary beds of the gills and through the capillary beds of the tissues Blood slows down when it    See Answer
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