Digestion is defined and the seven nutrient groups are listed. The role of enzymes in digestion is also discussed.

First broadcast:
21 November 2008

Use the clip to inform students’ research into diet and its relationship with growth and development. Students could consider energy requirements, and the specific roles of fats, proteins and carbohydrates. Students could annotate an image of a person with what components of their diet go to help which aspects of their body.