Write the structural difference between the composition of artery and veins
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- arteries carry blood from heart to body parts whereas veins carry from body parts to heart.
- arties end in capillaries, veins start in capillaries
- arties have thicker walls , veins have thin walls.
- arteries carry oxygenated blood, veins carry deoxygenated blood
- pulmonary artery carries deoxygenatedblood , pulmonary vein carries oxygenated blood.
- arteries do not have valves , veins have valves
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