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Vlad1618 [11]
3 years ago
5

Which of the following is true of vertebrates with four-chambered hearts?

Biology
1 answer:
ludmilkaskok [199]3 years ago
7 0

Answer:

There is no mixing of oxygen-rich and oxygen-poor blood.

- -

The right atrium and right ventricle of the human heart pump oxygen-poor blood to the lungs and the left atrium receives oxygen-rich blood. They never mix.

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