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Fart noise

  1. Jan 18, 2008 #1
    What makes a noise when you fart? My friend asked me to ask my physics teacher this, and it got me wondering...but i thought it would just be too awkward...haha.
  2. jcsd
  3. Jan 18, 2008 #2


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    Staff Emeritus
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    It's simply the vibration of gasses that are a by-product of digestion passing through the anal sphincter, which is the muscle that holds the anus closed.
  4. Jan 19, 2008 #3
    or you could examine the process to make your own determination of cause and effect
  5. Jan 19, 2008 #4
    question answered, closed
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