how is pulmonary artery and pulmonary vein different from other arteries and veins ..
Answers
The pulmonary artery has thicker walls in comparison to the pulmonary vein along with valves. Difference between the pulmonary artery and pulmonary vein-
Pulmonary artery Pulmonary vein
The pulmonary artery carries Carbon-dioxide rich blood to the lungs. The pulmonary vein carries oxygen-rich blood to the lungs.
The pulmonary artery arises from the right ventricle of the heart The pulmonary vein drains blood in the left atrium of the heart.
The pulmonary aorta divides into one pair of pulmonary arteries. The pulmonary vein divides into two pairs of pulmonary veins.
It carries deoxygenated blood, unlike the rest of the arteries. It carries oxygenated blood, unlike the rest of the veins.
Wall is thick and elastic. Wall is thin.
Semilunar valves are present. Valves are absent.
Blood pressure is higher. Blood pressure is lower.
Pulmonary artery and pulmonary vein are different from other arteries and veins as their function is inverted respectively and also they deliver between heart and lungs.
The pulmonary artery transports carbon-dioxide-rich blood from the right ventricle of the heart to the lungs. Other arteries of the body called the systemic arteries, carry blood from the left ventricle of the heart to the rest of the parts. Pulmonary veins return oxygen-rich blood from the lungs to the left atrium of the heart. Other veins of the body called the systemic veins supply the deoxygenated blood of the body to the right atrium of the heart.