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प्रश्न
How are arteries and veins structurally different from one another?
उत्तर
| Artery | Vein |
| 1. Distributing vessel | 1. Collecting vessel |
| 2. Pink in colour | 2. Red in colour |
| 3. Deep location | 3. Superficial in location |
| 4. Blood flow with high pressure. | 4. Blood flow with low pressure. |
| 5. Wall of an artery is strong, thick, and elastic. | 5. Wall of a vein is weak, thin, and non-elastic. |
| 6. All arteries carry oxygenated blood except pulmonary arteries. | 6. All veins carry deoxygenated blood except pulmonary veins. |
| 7. Internal valves are absent. | 7. Internal valves are present. |
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