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The upcoming discussion will update you about the differences between Arteries and Veins.
Difference # Arteries:
1. Arteries distribute blood from the heart to the different parts of the body.
2. Tunica media is thick, having more muscle fibres.
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3. Tunica internal has strong elastic membrane and more elongated endothelial ceils.
4. The walls of the arteries are thick and muscular.
5. Arteries are not collapsible as they have thick walls.
6. Arteries have no valves.
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7. The flow of the blood is fast as the blood in them is under great pressure.
8. Except the pulmonary arteries all the arteries carry oxygenated blood.
Difference # Veins:
1. Veins collect blood from different parts of the body and pour it into the heart.
2. Tunica media is thin, having fewer muscle fibres.
3. Tunica internal has simple, elastic membrane and elongated endothelial cells.
4. The walls of the veins are thin and non-muscular.
5. Veins are collapsible because they have thin walls.
6. Veins have valves which prevent backward flow of blood.
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7. The flow of blood in veins is not so fast because the blood in veins is under low pressure.
8. Except pulmonary veins all the veins carry deoxygenated blood.
