01 / 4 · Kurzgesagt
Respiration becomes hard or even fails, and patients need ventilators to survive.
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And then cellular respiration converts sugar and oxygen into CO2 and water, plus energy.
In cellular respiration, organisms take chemical energy stored in the molecules of food and convert it using reactions that release the stored energy.
After oxygen is breathed in, it has to make its way to cells where respiration takes place.
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