Which of the following is true of vertebrates with four-chambered hearts? There is a partial mixing of oxygen-rich and oxygen-poor blood. There is no mixing of oxygen-rich and oxygen-poor blood. There is a partial gas exchange in one chamber of the heart. There is a complete mixing of oxygen-rich and oxygen-poor blood

Question

Guest

Biology

13 July, 21:40

Which of the following is true of vertebrates with four-chambered hearts? There is a partial mixing of oxygen-rich and oxygen-poor blood. There is no mixing of oxygen-rich and oxygen-poor blood. There is a partial gas exchange in one chamber of the heart. There is a complete mixing of oxygen-rich and oxygen-poor blood

+4

Answers (1)

Know the Answer?

Jakob Morrow · Answer 1

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.