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pumps blood throughout the body


pumps blood out of the heart


Receives blood coming into the heart


Prevents blood from flowing backwards opens and closes making the lub-dub noises


carries blood away from the heart and to the lungs and other body parts


carries blood back to the heart from the lungs of the body


allows materials to be exhanged between the blood and the body parts

red blood cell

carries O and CO2 to and from the heart and lungs and body parts

white blood cells

fights diseases


form blood clots to stop bleeding

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