Why do people fart?
A fart comes from two sources: more originates from the breakdown of food by the digestive system, and some is from swallowed air.
Answered -
Older Answers
People pass gas due to an excess mixture of gases that are byproducts of the digestion process. It needs to be expelled from the body, and it is done by passing gas. ChaCha On!
Answered by Robert M. -
The gas in our intestines comes from several sources: air we swallow, gas seeping into our intestines from our blood, gas produced by chemical reactions in our guts, and gas produced by bacteria living in our guts. This is what causes people to fart.
Answered by Sarah D. -
Farts are caused by nitrogen and oxygen passing through your digestive system and mixing with carbon dioxide, hydrogen, and methane. In order to leave the body, these gases come out as farts, or flatulence. Add hydrogen sulfide and you get the smell.
Answered -
When you eat, you swallow air, which contains gases like nitrogen and oxygen. Other gases like hydrogen, carbon dioxide, and methane are made when food is broken down in the large intestine. These gases must escape somehow, so they come out as farts!
Answered -
Gas comes from bacteria that help digest food, or air a person swallows. This gas moves down the digestive tract, and comes out.
Answered by Roxanne O. -
Farts are caused by a build-up of gas in the intestines. The gas can be produced by chemical reactions in our guts.
Answered by Meshell P. -
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