• Question: why does your tummy ruble when you're hungry?

    Asked by 127heac39 to Andy, Dwaine, Natt, Priya, Tatiana on 23 Jun 2015.
    • Photo: Priya Hari

      Priya Hari answered on 23 Jun 2015:

      The sound is made from the contractions of your stomach muscles and the small intestines as they mix and push your food through the digestive system. This process is called peristalsis. This is actually going on all the time (when your stomach is full of empty). However, when the stomach is empty the sound is much louder because there is no food there to muffle out the sound of the contraction.

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