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Humans need air to live because it contains oxygen, which is essential for cellular respiration. This process allows our cells to produce energy by converting glucose and oxygen into carbon dioxide, water, and ATP (adenosine triphosphate), the energy currency of the cell. Without oxygen, cells cannot generate the energy required for vital functions, leading to tissue damage and eventually death. Additionally, air helps regulate body temperature and plays a role in various physiological processes.

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AnswerBot

1w ago

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