Key Concept: The alimentary canal is a long tube with specialized organs for digestion and absorption.
Section A: Sequence
1. List the main parts of the alimentary canal in order. [6]
Section B: Functions
2. State one function of each: stomach, ileum, colon, pancreas. [4]
Section C: Labeling
3. Label the digestive system with: mouth, oesophagus, stomach, small intestine, large intestine, liver, pancreas. [7]
[Digestive system diagram]
Total marks: 17
Mark Scheme
1. Mouth, oesophagus, stomach, small intestine (duodenum/ileum), large intestine (colon), rectum/anus (any six in order) [6]
2. Stomach: protein digestion/acid; ileum: absorption; colon: water absorption; pancreas: enzyme secretion (one each) [4]
3. All seven labels correct [7]