Differentiate between pulmonary artery and pulmonary vein.
Pulmonary Artery
Pulmonary Vein
Pulmonary Artery | Pulmonary Vein |
1.The pulmonary artery carry deoxygenated blood from the heart to the lungs | 1.The pulmonary vein carry oxygenated blood from the lungs to the heart . |
2. These blood vessels comprise valves, thicker and elastic walls. | 2. These blood vessels comprise thinner walls. |