Some are loud bangs, some are deeply resonant, some seem to barely squeak out. What determines their performance?
In: Biology
I’m not a flatulologist, but it probably has to do with variations in gas pressure, the amount of gas, and sphincter muscle position.
It’s determined by what gas you’re farting and how it got there.
The loud ones are when you swallow air. People naturally swallow air as a part of eating. These are, accordingly, not very smelly.
The silent ones are gross gases that come from digestion or bacteria. That’s why they smell so bad – though they usually don’t generate enough gas to have much pressure.
If a fart is loud *and* stinky, it’s just both types of farts going off at once. Or, your gut is generating way more gross gases than normal, which is maybe bad.
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