Everyone knows how important breathing is to the body. In an emergency, we can go weeks without food and several days without water or sleep. We won't be in the best of health, but it is possible to survive without these necessities in a pinch. However, anyone who goes more than a few seconds without breathing begins to feel incredibly uncomfortable!
Breathing is central to the way the body processes energy, for a start. Oxygen processed by the lungs is used to release energy from
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