#2: Rumbling Tummies
This one comes from the book — Gut. Found it very informative and enjoyable.
We have all had “rumbling tummies” where our tummies make that strange sound. Since childhood, we have known that it means you are hungry. Why is that?
Rumbling tummies (or Migrating motor complex) is a process which starts after your food has been passed on from your stomach to small intestine and digested. Still there are some ‘leftovers’ left in the stomach or small intestine which are tough to break down by the gastric juices and digest — e.g. a chewing gum you swallowed by mistake, unchewed corn kernel etc.
To clean this up, after the digestion of normal food is complete, this migrating motor complex kicks in and in a big sweep takes all these leftovers through the small intestine. This is what makes the rumbling tummy sound.
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