Stomach growl: The noise in the stomach
Stomach growling usually occurs when there is an intense feeling of hunger. This is due to the so-called contraction: our gastrointestinal tract is constantly in motion so that our digestive system stays clean and functions optimally.
- Our gastrointestinal tract works almost 24 hours a day. The muscles contract to transport digested food, but also gastric juices and other secretions of our digestive system.
- However, since our stomach is empty a few hours after eating, only air is transported through the digestive system.
- Since an empty stomach resembles the body of a musical instrument, the movement of muscles and air now produces the stomach growl.
- When we’re hungry, our stomachs growl even more often because our abdominal muscles reflexively contract at the thought of something tasty.



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