BrainStuff Classics: Why Do We Fart?

We all pass gas, but why? Learn what's happening in your digestive system when you fart in this episode of BrainStuff.Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htmAnd to learn about your ad choices when listening to podcasts, visit https://www.howstuffworks.com/privacy.htm#ad-choices