Question

which of the following describes the role of oxygen in the body?

Answer 1

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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.

Answer 2

Answer:

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