Give realtionship between artries ,veins ,capillaries ,pulmonary veins and artery in circulatory system
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Artries are the blood cappillaries which carry pure blood( blood contains oxygen).
Veins carry impure blood( Co2 containing).
pulmonary veins are the only veins which carry pure blood from heart to other body parts.
Veins carry impure blood( Co2 containing).
pulmonary veins are the only veins which carry pure blood from heart to other body parts.
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