what is the roll of oxigen in our body
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Oxygen is important to every cell in your body. ... Oxygen, through a process called oxidation, chemically changes food and liquid into energy. It's this "oxygen fire" that contracts our muscles, repairs our cells, feeds our brains, and even calms our nerves. Not only that, but breathing is our body's chief cleansing tool.
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oxygen is needed in our body for combustion of food and liquid in body so that organic digestion reaction can be done and energy get released which is needed for our to do various type of internal and external work
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