2. Can you remember the names of all the parts of the digestive system? Mouth Oesophagus Stomach Small Intestine Large Intestine Rectum

4. How do enzymes work?

5. Amylase Amyase

6. Carbohydrates are chains of identical sugar molecules. The digestive enzymes called carbohydrase s break the chemical bonds between the individual sugar molecules in each carbohydrate chain. carbohydrase long carbohydrate molecule sugar molecules Enzymes and carbohydrate digestion

9. Protease

10. Proteins are made up of amino acids . There are 20 different types of amino acids. Proteins are digested by digestive enzymes called proteases . These enzymes work in an acidic environment to break proteins into smaller amino acids. protease long protein molecule amino acid molecules Enzymes and protein digestion

11. Lipase

13. Digestive Enzymes Digestive Enzymes

14. 8A What’s in food? blue turns orange/red = glucose heat chopped up food hot water Blue Benedict’s solution turns orangey-red when it is boiled with glucose.

15. Digestive enzymes activity