Digestion 0.0 / 5 ? BiologyEnzymes and digestionGCSEOCR Created by: Gemma lovellCreated on: 24-04-13 14:28 What does physical digestion include? Chewing food in your mouth, and squeezing food in your stomach to break it down into smaller pieces 1 of 11 What does chemical digestion use and why? Enzymes to break down large insoluble molecules into smaller soluble molecules 2 of 11 What enzyme is used in the mouth? Carbohydrase 3 of 11 What do carbohydrase break down? Carbohydrates (eg.starch into sugar) 4 of 11 What enzyme is used in the stomach? Protease 5 of 11 What do protease break down? Proteins into amino acids 6 of 11 What enzymes are used in the small intestine? Carbohydrase, protease and lipase 7 of 11 What do lipase break down? Fats into fatty acids and glycerol 8 of 11 What is the use of hydrochoric acid? It creates the correct pH that helps the enzymes protease to work effectively 9 of 11 Why does your body produce bile? To emulsify fat droplets which are hard to digest 10 of 11 How is the small intestine adapted for the efficient absorption of food? It's long, has thin lining, large surface area, permeable surface and rich blood supply 11 of 11
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