General Science • BiologyEasy
Which blood vessel carries oxygenated blood from the lungs to the left atrium of the heart?
A. Pulmonary artery
B. Pulmonary vein✓ Correct Answer
C. Vena cava
D. Aorta
💡 Solution & Explanation
Pulmonary veins are unique blood vessels that transport oxygenated blood from the respiratory surfaces of the lungs directly to the left atrium of the heart. Conversely, pulmonary arteries carry deoxygenated blood away from the right ventricle toward the lungs, breaking the general rule that arteries carry oxygen-rich blood. The human heart contains four distinct chambers to separate oxygenated and deoxygenated blood streams.
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