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Human Anatomy and Physiology
Respiratory System
Percentages, Fractions, and Decimal Values

How is the air you inhale different from the air you exhale?


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December 06, 2010 1:33AM

It happens because in the the mitochondria of the cell burns {destroy chemically }, as you may have seen in burning the fire gives Carbon dioxide same as the food so the body gives out the carbon dioxide as a by product of respiration.