Question
Differentiate between an artery and a vein.
Solution
| Artery | Vein |
| 1. Carries blood from the heart to various body parts | 1. Carries blood from various body parts to the heart. |
| 2. Carry oxygenated blood except pulmonary artery | 2. Carry deoxygenated blood except pulmonary vein. |
| 3. Have thick elastic walls | 3. Have thin non-elastic walls. |
| 4. Valves are absent | 4. Valves are present |
| 5. Blood in it flows under high pressure. | 5. Blood in it flow under low pressure |
