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The human heart contains four chambers: the right atrium, right ventricle, left atrium, and left ventricle.

The right atrium receives deoxygenated blood from the body via the superior vena cava (from the upper body) and the inferior vena cava (from the lower body). The blood is then pumped through the atrioventricular tricuspid valve to the right ventricle.

The right ventricle pumps deoxygenated blood to the lungs via the pulmonary arteries.

The left atrium receives oxygenated blood from the lungs via the pulmonary veins. The blood is then pumped through the atrioventricular bicuspid (mitral) valve to the left ventricle.

The left ventricle pumps oxygenated blood to the body via the aorta.

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Al Leuschke

Lvl 10
2y ago

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