Memory Anchor:

• Super Challenge:

  Stretch:

  Challenge:

Key Questions:

1. What are enzymes and where are they produced?
   • Enzymes are biological catalysts (help specific chemical reactions to happen) that are produced in salivary glands and the pancreas.
2. Which enzyme breaks down carbohydrates?
   • Amylase enzymes in the mouth break carbohydrates down into sugars.
3. Which food does protease break down?
   • Protease enzymes in the stomach break proteins down into amino acids.
4. Where is lipase used?
   • Lipase enzymes in the small intestines break fats down into glycerol and fatty acids.
5. Which other enzymes are found in the small intestines?
   • Amylase and Protease enzymes in the small intestines break undigested carbohydrates and proteins
6. How do the nutrients reach the blood stream?
   • Nutrients are now small enough to be absorbed through the lining of the small intestines into the bloodstream.
7. How is the lining of the small intestines adapted?
   • The lining of the small intestines is adapted to have a thin lining, large surface area and good blood supply.
8. What is absorbed through the lining of the large intestines?
   • Water is absorbed through the lining of the large intestines.
9. What happens to the undigested food?
   • Anything left is excreted