Multiple choice

Oxygenated blood is pumped from heart to rest of the body by ______.

  1. aorta

  2. pulmonary artery

  3. pulmonary vein

  4. vena cava

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A Correct answer
Explanation

The aorta is the largest artery in the body, carrying oxygenated blood from the left ventricle to all systemic tissues. Other vessels like the pulmonary artery carry deoxygenated blood to the lungs, while the vena cava returns deoxygenated blood to the heart. The pulmonary vein brings oxygenated blood to the heart, but does not pump it to the body.

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