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प्रश्न
Write one structural difference between the composition of arteries and veins.
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उत्तर
The basic structural differences between Artery and Veins are as follows:
| Artery | Vein |
| It is thick in nature. | It is thinner than the artery. |
| It does not contain valves. | It contains valves to prevent the backflow of blood. |
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