Blood flow within the heart follows a specific pathway: deoxygenated blood returns from the body to the right atrium, moves into the right ventricle, and is pumped to the lungs via the pulmonary arteries for gas exchange. In the lungs, carbon dioxide is released, and oxygen is absorbed into the blood. The now oxygenated blood returns to the left atrium, flows into the left ventricle, and is then pumped out to the body through the aorta. This continuous cycle ensures that oxygen-rich blood is delivered to tissues while facilitating the removal of carbon dioxide.
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