When people hear their stomachs make noise, most of what they hear is gas and intestinal motility, the normal movement of the intestines. Even when you're not eating, your gut is moving. If you have food in your intestine, it can muffle the sound, but if you have air in there, and that's all you're moving, that is what you will hear.
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Wtf? Facts
RandomI don't think you are going to need these facts to get smarter in life, but you can at least use them against some people.
