Which of the following contains oxygenated blood in an adult human?
A. right atrium C. pulmonary vein
B. pulmonary artery D. All of the above
A. right atrium C. pulmonary vein
B. pulmonary artery D. All of the above
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C, the pulmonary vein. This is the only vein in the body that contains oxygenated blood. The right atrium has de-oxyegenated blood, and this blood is coming from the body, to the heart, and then gets pumped to the lungs.