Which vein has oxygenated blood?
Correct answer: C. Pulmonary vein
- A. Renal vein
- B. Subclavian vein
- C. Pulmonary vein
- D. Jugular vein
Explanation
The pulmonary vein is the only vein in the human body that carries oxygenated blood, while all other veins carry deoxygenated blood. It carries blood from the lungs to the left atrium of the heart, where it is then pumped out to the rest of the body via the aorta.
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About Circulation
The circulatory system covers the chambers, valves and conducting pathway of the human heart, along with the cardiac cycle and control of heartbeat. It compares arteries, veins and capillaries by structure and function, and explains how the lymphatic system returns tissue fluid, transports absorbed fats and supports immunity.
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