Explain the difference between Arteries and veins. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> [Textbook Question 6a pg no.82]
Answer:
Arteries | Veins |
1. Arteries carry blood away from the heart to the tissues of the body. | 1. Veins carry blood from the tissues of the body back to the heart. |
2. Arteries are located deeper within the body. | 2. Veins are usually located superficially beneath the surface of the skin. |
3. Arteries are thick walled | Veins are thin walled. |
4. Arteries do not have valves. | 4. Veins have valves. |
5. Arteries would generally remain open if blood flow stopped, due to their thick muscular layer. | 5. Veins would collapse if blood flow stops. |
6. Except pulmonary artery, all arteries carry oxygenated blood. | 6. Except pulmonary vein, all veins carry deoxygenated blood. |
7. Arteries are more muscular than veins, which helps in transporting blood that is full of oxygen efficiently to the tissues. | 7. Veins are less muscular than arteries, but contain valves to help keep blood flowing in the right direction, usually toward the heart. |
8. There is maximum blood pressure in the arteries. | 8. There is minimum blood pressure in the veins. |