Which chamber receives oxygenated blood returning from the lungs?

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Multiple Choice

Which chamber receives oxygenated blood returning from the lungs?

Explanation:
Oxygenated blood returning from the lungs enters the heart through the pulmonary veins and goes into the left atrium. From there, blood moves to the left ventricle to be pumped out to the body via the aorta. The right atrium, in contrast, collects deoxygenated blood from the body through the superior and inferior vena cavae (and the coronary sinus). The left ventricle then supplies systemic circulation, while the right ventricle supplies the lungs.

Oxygenated blood returning from the lungs enters the heart through the pulmonary veins and goes into the left atrium. From there, blood moves to the left ventricle to be pumped out to the body via the aorta. The right atrium, in contrast, collects deoxygenated blood from the body through the superior and inferior vena cavae (and the coronary sinus). The left ventricle then supplies systemic circulation, while the right ventricle supplies the lungs.

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