06/01/2011 How do YOU poop?

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  1. I’ve also been curious about where mass goes when you lose weight. I haven’t done anything as crazy as go and read about it, but I’ve come up with an explanation that makes sense to me.
    So for what it’s worth, here’s my half assed theory:
    I think you exhale the carbon, and pee out the hydrogen and oxygen. Your cells take in oxygen (O2) from the air, and break down carbohydrates for energy into carbon dioxide and water. I think the carbon travels through the blood as CO2 and is exhaled, and the hydrogen and oxygen on those carbohydrates is converted to water.
    I’m pretty sure the body converts fats to carbohydrates and then cells use the carbohydrates directly. I don’t know how that works, though.

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