the stomach , which is attached to the end of the oesophagus , is a stretchy sack shaped like the letter J . It has three important jobs store the food To break down the food into a liquid mixture called chymeTo slowly empty the chyme into the small intestine The stomach mixes the food and breaks it down into smaller pieces. It does this with help from the strong muscle in the walls of the stomach and gastric juices including hydrocholoric acid that are produced in the stomach walls . In addition to breaking down food , gastric juices also help kill bacteria that may be present in the food
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