What makes these blood vessels unusual is that the pulmonary artery carries deoxygenated blood (instead of oxygenated), and the pulmonary vein transports oxygenated blood, not oxygen-poor.
The pulmonary veins are the only veins in the body that carry OXYGENATED blood (from the lungs to the left atrium), and the pulmonary arteries are the only arteries in the body that carry...
The pulmonary arteries carry blood from the heart to the lungsA pulmonary vein is a large blood vessel of the circulatory system that carries blood from the lungs to the left atrium of the...