WAEC - Biology (2024 - No. 12)
Which of the following blood vessels carries oxygenated blood into the heart?
Pulmonary artery
Anterior vena cava
Pulmonary vein
Posterior vena cava
Explicació
The pulmonary veins carry oxygenated blood from the lungs to the left atrium of the heart. All veins carries deoxygenated blood except pulmonary vein which carries oxygenated blood to the heart.
Conversely, all arteries carry oxygenated blood except the pulmonary artery that carries deoxygenated blood.