What is a macromolecule?
Distinguish between ingestion, digestion, absorption and assimilation.
Why do macromolecules need to be broken down?
Explain the function of enzymes in digestion.
Type of enzyme
Source
Substrate
Products
Optimum pH
Amylase
Protease
Lipase
Complete the diagram below with the following information:
1. Labels and functions of each part
2. Draw on, label and write the functions of the liver, gallbladder and pancreas.
3. Higher level add: the exocrine glands and their locations.
Draw and label a villus.
How does its structure relate to its functions?