Blood vessels are of three basic types: veins, arteries and capillaries
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Blood vessels are of three basic types: veins, arteries and capillaries. Veins: carry blood from the body to the heart. Its walls are thinner than arteries. Arteries: carry blood from the heart to the entire body. Its walls are thick and expandable.Capillaries carry blood to tissues to deliver oxygen to cells. They connect arteries and veins.
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