why our stomach grumbles
Jun 25, 2015 #2 Ryan_m_b Staff Emeritus Science Advisor 5,956 720 A stomach rumble is the sound of peristaltic action. This is when the muscles in the gut contract to force through digested food, gases and liquids from the stomach to the small intestine. You can read more here: https://en.wikipedia.org/wiki/Stomach_rumble
A stomach rumble is the sound of peristaltic action. This is when the muscles in the gut contract to force through digested food, gases and liquids from the stomach to the small intestine. You can read more here: https://en.wikipedia.org/wiki/Stomach_rumble