Which organisms have four-chambered hearts?
A)amphibians and most reptiles
B)fish
C)arthropods
D)birds and mammals
E)earthworms

Name: Which organisms have four-chambered hearts? A)amphibians and most reptiles B)fish C)arthropods D)birds and mammals E)earthworms
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Question

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Only birds and mammals have four-chambered hearts, which allows for a separation of oxygenated and deoxygenated blood and increased efficiency in delivering oxygen to the body.

Which Organisms Have Four-Chambered Hearts