(Gizmodo) Why Your Stomach Growls Mankind has been puzzling over the rumbling in our stomachs for so long that even the ancient Greeks came up with a name for it: borborygmi. The word attempts to put the sound of the grumble to mouth. The real deal is strange and sometimes embarrassing, so we decided to get to the bottom of it. What is it that makes our stomachs shout out? Hunger is certainly a factor. When you haven't chowed down in a two hours, receptors in the walls of your stomach trigger the hunger-arousing hormone ghrelin, which tattles to your brain that the pipe is empty. There are other things, like low blood sugar, that also send that message. And your brain, being the boss, steps in to solve that problem by releasing the hormone orexin, which tells your stomach it might be time to fill ‘er up again. Click here to read more.

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