Here are the key terms and some definitions: Key Terms B4.3
GCSE Bitesize revises Digestion (3m 44) and digestion & enzymes in Nutrition (6m). The New Living Body – Digestion is a 19m video especially concerning fat.
Digestion foundation level from biologica.edu
This covers the basics of digestive enzymes:
Y7 Life 10 digestive enzymes from Ms Yam
Absorption of food from biologica.edu
Image from LadyofHats and infographic from Compound Interest – just click to enlarge.