Question

what is breathing? From where it is coming?​

Answer 1

taking oxygen in our body is called breathing it is coming from air

Answer 2

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Breathing (or ventilation) is the process of moving airinto and out of the lungs to facilitate gas exchangewith the internal environment, mostly by bringing in oxygen and flushing out carbon dioxide.

All aerobic creatures need oxygen for cellular respiration, which uses the oxygen to break down foods for energy and produces carbon dioxide as a waste product. Breathing, or "external respiration", brings air into the lungs where gas exchange takes place in the alveoli through diffusion. The body's circulatory system transports these gases to and from the cells, where "cellular respiration" takes place.

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