Heart - A muscular Organ located in the chest cavity which pumps blood to different parts of body, arteries carry - oxygen rich blood, veins carry - oxygen poor blood, Pulmonary circuit - blood flow between heart and lungs, systemic circulation - blood flow between heart and body, capillaries - exchange of nutrients between blood and cells, plasma - yellow fluid part of the blood, red blood cells - carry oxygen, white blood cells - help to fight against infection, blood platelets - helps to stop bleeding,

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