List three kinds of blood vessels of Hyman circulatory system and their function in tabular form
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Arteries-1)Carry Oxygen rich blood from heart to all parts of the body.
2)Since blood flow is rapid and at high pressure they have thick elastic walls.
3)Valves are absent.
Veins-1)Carry carbon di oxide rich blood from all parts of the body back to the heart.
2)They have thin walls
3)Valves present to prevent back flow of blood.
Capillaries-1)Capillaries act as a link between arteries and veins.
2)Water and other small-molecule substances can pass through this wall.
3)No valves are found.
2)Since blood flow is rapid and at high pressure they have thick elastic walls.
3)Valves are absent.
Veins-1)Carry carbon di oxide rich blood from all parts of the body back to the heart.
2)They have thin walls
3)Valves present to prevent back flow of blood.
Capillaries-1)Capillaries act as a link between arteries and veins.
2)Water and other small-molecule substances can pass through this wall.
3)No valves are found.
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