In one way. Out another.
Air swallowed while eating and drinking can travel through the digestive tract.
Biology / A closer look
THE SCIENCE
BEHIND THE STINK.
A brief explanation of what is happening behind the punchline.
Concept artworkA little help from the microbiome.
Bacteria in the large intestine produce gas while breaking down carbohydrates that were not fully digested.
A small detail with a big presence.
Sulfur in flatus can contribute to its odor.
Source: NIDDK: Symptoms & Causes of Gas in the Digestive Tract
If gas symptoms bother you or change suddenly, speak with a clinician.
Interactive exhibit
Fart-O-Meter
/ 100
MildAverageExplosive
Choose a food to begin.
For entertainment only. Scores are fictional.
The listening room
PLEASE DISTURB THE PEACE.
Sound plays only when pressed.