A bit of gas from the stomach leaves the body through the mouth as a belch. A pocket of gas in the intestines exits the body via the butt as a fart. There must be a stomach/intestine interface. Any gas in this interface has equal probabilites of ending its existence as fart or a belch. Schrodinger would have been proud of me.
Paul De Lancey, The Comic Chef, Ph.D.
My cookbook, Following Good Food Around the World, with its 180 wonderful recipes, my newest novel, Do Lutheran Hunks Eat Mushrooms, a hilarious apocalyptic thriller, and all my other books, are available on amazon.com.