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| Q. |
Which vein brings clean blood from the lungs into the heart? |
| A. | Renal Vein |
| B. | Pulmonary Vein |
| C. | Vena Cava |
| D. | Hepatic Vein |
| Answer» B. Pulmonary Vein | |
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Explanation: The pulmonary veins are a set of veins that deliver clean oxygenated blood from the lungs to the heart. It brings oxygen-rich blood to the left atrium. Systemic veins deliver deoxygenated blood to the heart. |
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