Question : Oxygenated blood is carried by _____.
Option 1: pulmonary vein
Option 2: pulmonary artery
Option 3: hepatic portal vein
Option 4: renal vein
Correct Answer: pulmonary vein
Solution : The correct option is a pulmonary vein .
The pulmonary vein returns oxygenated blood from the lungs to the left atrium of the heart. After receiving fresh oxygen in the lungs, this oxygenated blood is delivered to the heart, and pumped to the rest of the body via systemic circulation.