What Is Right Artrium.....????
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The right atrium (RA) (plural: atria) is one of the four chambers of the human heart, and is the first chamber to receive deoxygenated blood returning from the body. It plays an important role in originating and regulating the conduction of the heart.....
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The right atrium is the first chamber of the heart to receive deoxygenated and carbon dioxide-rich systemic blood from the body, and the left atrium is the first chamber to receive the oxygenated blood returning from the lungs. ... During diastole, the relaxed right and left atria fill with blood.
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