what is lungs????????????????????????
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The lungs are the center of the respiratory (breathing) system. Every cell of the body needs oxygen to stay alive and healthy. Your body also needs to get rid of carbon dioxide. This gas is a waste product that is made by the cells during their normal, everyday functions.
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Lungs are respiratory organs.
It consists of alveoli that provide surface area for exchange of gases.
It consists of alveoli that provide surface area for exchange of gases.
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