If you hold farts in during the day, they'll just come out when you sleep.
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Excess gas in the intestinal is medically termed "flatulence."
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SCUBA divers cannot pass gas at depths of 33 feet or below.
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On average, a person produces about half a liter of fart gas per day, distributed over an average of about fourteen daily farts.
435
On the average a fart is composed of about 59% nitrogen, 21% hydrogen, 9% carbon dioxide, 7% methane, and 4% oxygen. Less than 1% is what makes them stink.
405
Farts are flammable.
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