Digestive system

6-1 Structure of digestive system

Activity 1 Practical activity to investigate the need for digestion.

Carry out the experiment on the Experiment to model simple digestion and absorption. worksheet below. This experiment takes time to progress so while waiting there is time for a few questions and Activity 2, 'The structure of the Digestive System'


digestion_why_enzymes.pdf

Activity 2: Experiment to measure the rate of lipase activity in milk.

Carry out the experiment on the Digestive enzyme (lipase) worksheet below.

IA_lipase_milk_wksht.pdf

Activity 3: Details of the structure of intestines

Look at the details of intestine structure and consider how each layer relates to its function.

Identify the two muscle layers, the mucosa and the epithelium as well as villi.

Hover over each area of this image to see a short explanation of the different tissues.

structures_intestines_villi.pdf