Digestion 0.0 / 5 ? BiologyEnzymes and digestionIGCSECIE Created by: Zara KestertonCreated on: 12-01-14 09:28 What is the function of the mouth? Breaking food down 1 of 11 What happens in the mouth? Teeth break down food mechanically. Saliva breaks down food chemically. Food is rolled into a bolus by the tongue and passes the epiglottis. 2 of 11 What enzyme is involved in the mouth? Amylase, acts upon starch. 3 of 11 What is the function of the oesophagus? Passing food from the mouth to the stomach. 4 of 11 What happens in the oesophagus? A wave of muscular contractions called peristalsis move food down. 5 of 11 What is the juice made in the stomach? Gastric juice. 6 of 11 What does gastric juice contain? Pepsin and hydrochloric acid. Pepsin digests protein into polypeptides, hydrochloric acid kills bacteria. 7 of 11 What is the end product of food in the stomach? Chyme 8 of 11 What does the pyloric sphincter do? Lets food pass slowly into the duodenum. 9 of 11 What juice does the pancreatic duct contain? Pancreatic juice. 10 of 11 What does pancreatic juice contain? ALT. Amylase - which breaks down starch to maltose. Trypsin 11 of 11
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