Eli5: Why do we need so much water after we exercise if cellular respiration produces water?
In: Biology
Cellular respiration produces very little water, compared to the amounts that we consume. The water produced in respiration is going to be a fraction of the volume of the food that you consumed to fuel that respiration.
If I exercise enough to burn off a whole burger, then I will have very roughly a burger’s size in water. That’s just not a whole lot of water. Maybe a few good sips’ worth.
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