WAEC - Biology (1993 - No. 11)
Which of the following blood vessels carries oxygenated blood into the heart?
Pulmonary vein
Anterior vena cava
Pulmonary artery
Aorta
Posterior vena cava
Explanation
The blood vessels that carry oxygenated blood into the heart are the pulmonary veins. These veins bring oxygen-rich blood from the lungs back to the left atrium of the heart.
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