Blood, a mixture of clear liquid called plasma, red blood cells, white blood cells and cells called platelets., plasma, mainly water, let the blood flow ; it also carries salts, carbon dioxide and nutrients around the body., platelet, helps to stop bleeding, red blood cell, carries oxygen, white blood cell, helps to fight diseases, Artries, take blood away from the heart and carry oxygen to the body.They have thick wallls and carry oxygenated blood.., Veins, take blood containing carbon dioxide and waste from the body . They carry deoxygenated blood and hace thinner walls and valves to stop the blood flowing the wrong way., Capillaries, tiny blood vessels connecting arteries to veins , take oxygen and nutrients to individual cells in the body.

Circulatory system

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