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Human beings need air in order to breathe. The average person inhales and exhales (breathes in, and breathes out) about 15-25 times a minute. If you had no air, you would not be able to breathe and you would pass out; you would eventually die. There are some diseases like Asthma than make it difficult to breathe, and air pollution (dirty air that has chemicals in it) also makes it hard to breathe. Humans are not alone in needing air: plants need air too, and if they do not have enough, they too will die.

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