By 
Purna Kashyap
 | 
TED-Ed Original

Why do we pass gas?

Flatulence is a daily phenomenon. In fact most human beings pass gas 10-20 times a day (yes that includes you). Where does your bodily gas come from? Purna Kashyap takes us on a journey into the intestines shedding light on how gas is made which foods contribute most to its production...and why it stinks.

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