Respiratory, Circulatory and Excretory Systems · Zoology

Which blood vessel carries oxygenated blood from the lungs to the heart?

  1. Pulmonary artery
  2. Pulmonary vein
  3. Aorta
  4. Vena cava
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Correct answer: Pulmonary vein

The pulmonary vein carries oxygen-rich blood from the lungs to the left atrium of the heart. It is unique among veins in carrying oxygenated blood.

Difficulty: Medium Question 4 of 20

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