the heart - it is a hollow muscular pump that pumps blood around the body, the veins - they carry blood from the body to the heart., the arteries - they carry blood with oxygen, from the heart to the body, the capillaries - they are tiny blood vessels where oxygen and nutrients are exchanged for carbon dioxide and waste products., the blood - It is a liquid made of plasma, red and white blood cells and platelets, red cells - they carry oxygen through the arteries, white cells - they fight against infections, plateles - they help the blood to clot and form scrabs,

CIRCULATORY SYSTEM

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