Why we breathe.Why do we respire
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Not only does breathing provide your body with necessary oxygen, but it also rids the body of waste like carbon dioxide. To get rid of carbon dioxide, your blood delivers it to the capillaries surrounding your alveoli. In the alveoli, the carbon dioxide moves into the lungs, where it leaves the body when you exhale.
During normal human respiration, glucose (a type of sugar that you get from food) reacts with oxygen to produce energy. The energy is needed for growth, repair and movement. Water and carbon dioxide are bi-products of respiration - they need to be excreted.
During normal human respiration, glucose (a type of sugar that you get from food) reacts with oxygen to produce energy. The energy is needed for growth, repair and movement. Water and carbon dioxide are bi-products of respiration - they need to be excreted.
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