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Digestive system
Enzymes
Enzymes aren’t residing issues. They’re simply particular proteins that may break massive molecules into small molecules. Several types of enzymes can break down completely different vitamins:
Carbohydrates
Carbohydrates are digested within the mouth, abdomen and small gut. Carbohydrase enzymes break down starch into sugars.
The saliva in your mouth comprises amylase, which is one other starch digesting enzyme. In the event you chew a bit of bread for lengthy sufficient, the starch it comprises is digested to sugar, and it begins to style candy.
Proteins – “protein is broken down into”
Proteins are digested within the abdomen and small gut. Protease enzymes break down proteins into amino acids. Digestion of proteins within the abdomen is helped by abdomen acid, which is robust hydrochloric acid. This additionally kills dangerous microorganisms which may be within the meals.
Lipids (fat and oils)
Lipase enzymes break down fats into fatty acids and glycerol. Digestion of fats within the small gut is helped by bile, made within the liver. Bile breaks the fats into small droplets which might be simpler for the lipase enzymes to work on. Bile isn’t an enzyme.
Substances that aren’t digested
Minerals, nutritional vitamins and water are already sufficiently small to be absorbed by the physique with out being damaged down, so they aren’t digested.
Digestive enzymes can not break down dietary fibre, which is why the physique can not soak up it.
“protein is broken down into”