Blood flowing in pulmonary vein is_______
The blood vessel which carries oxygenated blood from the lungs to the heart is : (a) main artery (b) pulmonary artery (c) main vein (d) pulmonary vein
Which blood vessel does not carry any carbon dioxide ? (a) pulmonary artery (b) vena cava (c) hepatic vein (d) pulmonary vein
Which vein brings clean blood from the lungs into the heart ? (a) renal vein (b) pulmonary vein (c) vena cava (d) hepatic vein