difference between blood and blood vessel
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Blood vessels carry blood around the body. The three main types of blood vessels are: ... veins that return blood to the heart. capillaries, which are tiny vessels that connect arteries and veins, and allow blood to come into close contact with tissues for the oxygen, carbon dioxide, food and waste.
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Blood vessels carry blood around the body. The three main types of blood vessels are: ... veins that return blood to the heart. capillaries, which are tiny vessels that connect arteries and veins, and allow blood to come into close contact with tissues for the oxygen, carbon dioxide, food and waste.
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