Arteries - thick-walled blood vessels that take blood away from the heart to the body, the organs and tissues, Capillaries - very small, thin blood vessels, Cardiovascular - relating to the heart and blood vessels, Circulation - the movement of blood through the vessels in the body, Deoxygenated - the oxygen has been removed, Oxygenated - combined with oxygen, Veins - vessels that take blood from the capillaries and return it to the heart,

circulatory system -

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