Blood vessel carrying the highest concentration of oxygen.
Pulmonary artery
Pulmonary vein
Inferior vena cava
Superior vena cava
This blood vessel carries oxygenated blood from the lungs back to the heart. Therefore, it carries the highest concentration of oxygen
Which blood vessel does not carry any carbon dioxide ? (a) pulmonary artery (b) vena cava (c) hepatic vein (d) pulmonary vein