The stomach is a muscular pouch that stores food and breaks it down. The duodenum receives the semi-digested food from the stomach.
duodenum
Flatulence
Flatulence, or wind, is an excess of gas in the stomach and intestines. It is normal for gas to be passed as flatus 14-23 times a day, depending on diet.
Indigestion
Indigestion is a symptom involving pain in the stomach and sometimes heartburn or reflux, which may result from several medical conditions.