Human Body - The Heart and Lungs

Blood carries things like oxygen and nutrients to each cell in the body. The heart pumps blood through the body through a system of tubes called blood vessels.

Arteries are a type of blood vessel that carries oxygen-rich blood away from the heart. Veins are another type of blood vessel which carries oxygen-poor blood back to the heart.

Right and left atrium

Right and left ventricles

​The circulation system links the heart lungs and all the tissues that need blood.​

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​The heart is a double pump, the heart pumps blood to the lungs and body. At the lungs oxygen passes into the blood and carbon dioxide passes out of the blood

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