Question

explain the blood flow from the heart to body parts and vice versa
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Answer 1

Answer:

Oxygen and carbon dioxide travels to and from tiny air sacs in the lungs, through the walls of the capillaries, into the blood. Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. Blood leaves the heart through the aortic valve, into the aorta and to the body.

Explanation:

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Answer 2

Answer:

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