The Guinness Book of World Records fattest man weighs over 1000 pounds, and decides to go on a massive diet and exercise program. After two years of eating low-fat everything and grueling aerobic exercise, he manages to lose over 600 pounds. Of course, most of it was fat. What form did most of the carbon and oxygen (comprising the fat) take when leaving the body?

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    The carbons and oxygens left the body as sugars in the feces.
    The carbons and oxygens left the body as CO2 in urine.
    The oxygens left the body as O2 that was exhaled; the carbons left as fatty acids in urine.
    The carbons and oxygens left the body as CO2 that was exhaled from the lungs.
    The carbons and oxygens never left the body.
asked May 30, 2013 in Biology by anonymous
    

1 Answer

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The carbons and oxygens left the body as CO2 that was exhaled from the lungs.
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

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