IB Questions to Revise Digestion (SL and HL)

1. What are the products of digestion of:
   Proteins
   Carbohydrates
   Lipids?
   
2. What are the products of digestion using these enzymes:
   Amylase
   Lipase
   Pepsin
   Protease?
   
3. Where in the digestive system are these products absorbed:
   Amino acids,
   Glucose
   Fatty acids
   Glycerol?
4. Which products are absorbed by simple diffusion?
5. Which are absorbed by active transport?
6. Which part of the intestines is joined to the pancreas?
7. Which types of enzymes are produced by the pancreas?
8. Which types of enzymes are produced by the stomach?
9. Which parts of the digestive system contain villi?
10. What are the two functions of acid in the stomach.
11. What is the function of bile, and where is it produced and where is it stored?

Longer Questions:

1. Describe the two ways that the products of digestion can be transported across the intestine wall.
2. Draw a diagram of a villus in vertical section.
3. Compare the functions of the stomach, the small intestines and the large intestines.