How It Works

Why do our stomachs rumble?


Has your stomach ever publicly embarrassed you by rumbling loudly during a quiet moment, making that awkward silence just that little bit more awkward?

Well, it’s not necessarily your body’s way of telling you that it needs to be fed, as your stomach can growl even after you’ve had a big meal. The noises are actually a result of the way food is squeezed through your gastrointestinal tract to remove it as waste.

Find out exactly how it makes these rumbling noises by watching our video below, and make sure you subscribe to our YouTube channel to discover lots more fascinating videos!

Plus, if you have a question you want us to answer, leave a comment below or let us know on Facebook or Twitter.

Find the answer to more baffling questions in How It Works magazine. Issue 72 is now on sale, and features 100 years of fighter planes! Order it in printdownload it onto your digital device or subscribe today to ensure you never miss an issue!

Plus, take a look at:

Inside the stomach

What causes the ‘butterflies in my stomach’ feeling?

What causes stomach ulcers?