Heart - Pumps blood around the body., Circulation - The movement of blood through the heart and around the body., Arteries - Blood vessels that carry blood away from the heart., Veins - Blood vessels that carry blood back to the heart., Lungs - Clean the blood through the exchange of gases, Capillaries - Tinniest vessels which supply the blood to all parts of bogy, Blood - A red coloured liquid which supply Oxygen and digested food to whole body.,

Circulatory System, its parts and Functions

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