Answer:
because that's the way the human body is.
Explanation:
These intestinal gases come from three sources: gases produced from food by colonies of intestinal bacteria2 and symbiotic yeasts that live in the gastrointestinal tract of mammals;1 carbon dioxide (CO2), which is produced by the neutralization of gastric acid; and swallowed air.2 When they are excessive or malodorous, they often indicate the presence of an undiagnosed or untreated disease, including celiac disease, non-celiac gluten sensitivity, irritable bowel syndrome, and lactose intolerance.
Sound of a typical human flatulence.
Gases caused by bacterial fermentation (mainly hydrogen and methane) account for approximately ¾ part of the total flatulence.2 In healthy people, the frequency of evacuation of gases through the rectum varies
