what is the use of o2 in our body?
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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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plzz mark it as the brainliest answer!!!
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O2 is OXYGEN
IT IS EXTREMELY IMPORTANT
IT IS VERY IMPORTANT FOR ENERGY TRANSPORTATION
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