Why do we fart, and what causes fart?
Answer:
gasses build up in the intestinal system and need to be released. or it could be that (and i apologize for any graphic words) there is a bowel obstruction and the air that would normally come and go had built up and released (think volcano) with a lot of pressure.
to let out stinky air that gets built up!!
because when u eat. and talk. and breathe. u swallow air.. some foods also cause gas...like brocolli.. when its being broken down during the digestive process
we fart because we have to because that's a part of life and we have to let the digested food out
the large intestine has a large bacteria population. Although the population of bacteria fluctuates depending on diet, and the use of antibiotics, bacteria can make up to 50% of the weight of fecal material. These bacteria feed on indigestible carbohydrates. These bacteria produce a variety of gases during the digestion of these carbohydrates, including methane, hydrogen, and hydrogen sulfide. Although methane makes up the bulk of the gas, hydrogen sulfide causes the bad smell. On average, each person produces 500 - 1000 mL of flatulence every day. However, eating a food with large amounts of indigestible carbohydrates (green beans and baked potato), plus a food high in sulfites (salmon) could potentially produce more (and more noticable) gas than normal.
Gas output could vary for a wide variety of reasons.
Some gas is caused by swallowing air as you eat. If you eat quickly, you will likely swallow more gas. Also, foods containing sorbitol/xylitol (e.g. sugar free gum) also cause flatulence. Were you chewing gum on this trip?
Canned foods have been softened by heating process during canning, and some of the gas producing starches may have been removed. Different processing methods may explain the differences you observe after eating canned foods vs. fresh foods.
If you're bowels are irritated (illness, stress) they may pass food through faster than normal, leaving less time for the bacteria to digest the food, and therefore, produce gas.
It is common after meals to experience a "high-amplitude propogating contraction". This is a very strong contraction that begins at the top of the large intestine and ends just above the rectum, sweeping the contents ahead of it as it goes. You will often feel a strong urge to have a bowel movement as a result of this contraction. Even if you don't, the contraction will cause any pockets of gas within the intestine to emerge as flatulence. This would explain the gas you have immediately after a meal.
What can you do about it? Here's some suggestions:
Avoid foods high in sulfites/indigestible carbohydrates (beans, cabbage, broccoli, fish) when you will be trapped in enclosed spaces. Other gas-causing foods include dietetic foods/sugarfree candy and gum (often contain sorbitol/xylitol), soft drinks, whole grains and bran.
For the office you might consider the flatulence filter, a seat cushion impregnated with activated charcoal.
Eat slowly to reduce the amount of swallowed air.
If you're lactose-intolerent (you lack the enzyme lactase), you may wish to avoid foods containing dairy products, or eat foods like Lactaid or Dairy Ease.
Beano appears to work for some people. It contains a plant enzyme that can digest stachyose and raffinose, two of the sugars in beans that cause flatulance. Take a tablet or a few drops before mealtimes.
Fermentation of the foods we eat releases gases. If you dont fart you will spontaneously combust!
chemical reactions in our system= waste gas products
better be thankful u can still fart!
Methane is the gas that makes us fart and that is also what you smell. Humans fart to get the methane gas out of their body.
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