Fart, Where Is It Coming From ?
Fart or gas is indeed NOT nice to hear, and it will be embarrassing if we caught farting in public. But somehow fart has been a part of cast-out, that it will hurt if our body has fart trouble.
Fart smell in vary for each, it depends on the food composition consumed by each.
Fart in digest channel or ‘flatus’ comes from :
(1) air that is swallowed ; mostly is nitrogen and oxygen. Gas is normally cast out by draught.
(2) formed in intestine ; as result from acid in stomach and carbon dioxide from bicarbonate.
(3) gas that is diffused from blood in digest channel. Gas in digest channel is carbon-dioxide, hydrogen, and metan
Some certain food stuff is known for resulting in gas/fart, for example : peas, cabbage, onion, cauli flower, and certain food that irritating like vinegar. The variation of these food will cause smell and fart frequency if vary. ( Guyton & Hall, Textbook of Medical Physiology ; Despopoulos & Agamemmon, Color Atlas of Physiology)
