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How does flatulence occur?

Answer:
flatulence or intestinal gas occur primarily as a result of bacterial fermentation in the intestines. the components of this gas include methane and hydrogen sulfide among others which give it a foul smell. flatulence or flatus is expelled primarily through the anus. intestinal gas can also result from excessive swallowing of air.
First answer by Thoughtfulobserver. Last edit by Thoughtfulobserver. Contributor trust: 22 [recommend contributor recommended]. Question popularity: 2 [recommend question].

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