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Anonymous girl asked
14 year ago

where does the blood in the pulmonary artery go

 
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  1. Autumn says:

    The blood in the pulmonary artery does not contain the oxygen the body needs. In fact, it’s the opposite. The blood in the pulmonary artery carries deoxygenated blood from the right ventricle of your heart to the lungs.

    Here’s the full cycle:

    1. Deoxygenated blood: Used blood, depleted of oxygen and rich in carbon dioxide, travels from your body to your right atrium through large veins.

    2. Right ventricle: The deoxygenated blood then flows from the right atrium to the right ventricle, the lower chamber on the right side of your heart.

    3. Pulmonary artery: The right ventricle pumps the deoxygenated blood out through the pulmonary artery.

    4. Lungs: The pulmonary artery branches into smaller and smaller vessels, eventually reaching tiny capillaries in the lungs.

    5. Gas exchange: In the lungs, the blood releases carbon dioxide and picks up fresh oxygen.

    6. Oxygenated blood: Now carrying oxygen, the blood travels through pulmonary veins back to the heart.

    7. Left atrium: The oxygenated blood enters the left atrium, the upper chamber on the left side of your heart.

    8. Left ventricle: From the left atrium, the blood flows into the left ventricle, the lower chamber on the left side.

    9. Aorta: Finally, the left ventricle pumps the oxygen-rich blood out to the rest of your body through the aorta, the largest artery in your body.

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