Which vessels carry oxygen-rich blood from the left lung to the left atrium?

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Multiple Choice

Which vessels carry oxygen-rich blood from the left lung to the left atrium?

Explanation:
Oxygenated blood returns from the lungs to the heart through the pulmonary veins and enters the left atrium. Specifically, the left lung drains its oxygen-rich blood via the left pulmonary veins into the left atrium. The left pulmonary artery, by contrast, sends deoxygenated blood to the left lung, not to the left atrium. The superior vena cava brings systemic (deoxygenated) blood into the right atrium and isn’t involved in delivering oxygenated blood to the left atrium.

Oxygenated blood returns from the lungs to the heart through the pulmonary veins and enters the left atrium. Specifically, the left lung drains its oxygen-rich blood via the left pulmonary veins into the left atrium. The left pulmonary artery, by contrast, sends deoxygenated blood to the left lung, not to the left atrium. The superior vena cava brings systemic (deoxygenated) blood into the right atrium and isn’t involved in delivering oxygenated blood to the left atrium.

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