Identify the correct match
I: Coronary artery – Oxygen-rich blood
II: Pulmonary vein – Carbon dioxide-rich blood
III: Pulmonary artery – Oxygen-rich blood
IV: Hepatic vein – Carbon dioxide-rich blood
I and IV
Arteries carry oxygen-rich or oxygenated blood whereas veins carry carbon dioxide-rich or deoxygenated blood. However, the pulmonary artery carries carbon dioxide-rich or deoxygenated blood from the heart whereas pulmonary vein carries oxygen-rich or oxygenated blood to the heart.