Digestion Flashcards
(17 cards)
Physical digestion
Chewing and breaking up food in mouth and stomach
Digestion system
Group if organs breaking down food
4 types of teeth
Incisors,canines,premolars,molars
Incisors
Cutting
Canines
Tearing
Premolars
Grinding
Molars
Grinding
Mouth
Amylase breaks down starch
Oesophagus
Tube that carries food to the stomach
Pancreas
Makes digestion enzymes
Large intestine
Passes water back to the blood
Small intestine
Food molecules are absorbed into the bloodstream here
Liver
Makes bile to break down fats and mixes it with digestive juices
Chemical digestion
Uses enzymes
Enzyme
Protein that can speed up a chemical reaction without being used up in the reaction
Enzyme,substrate,product
Amylase,starch and maltose
Show action of Amylase on starch
Two test tubes (A has starch) (B has starch and amylase) heated at 37 degrees. Test for starch using iodine and for reducing sugar using Benedict’s Solution. A turns black in iodine and stays blue in Benedict’s. B remains brown in iodine and turns brick red in Benedict’s.