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The pulmonary artery takes the deoxygenated blood from the heart to the lungs where they are oxygenated then the blood is transported back to the heart through the pulmonary vein. The pulmonary vein and artery are different from other veins and arteries because vein usually carry deoxygenated blood and arteries carry oxygenated, but it is switched for the lungs because arteries carry blood away from the heart and veins carry it to the heart.

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13y ago

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