SubjectPaid lesson
Digestive System
CT
ClassNotes Team 9 MIN READUPDATED 25 JUN 2026Biology SSS 1 Third Term
WEEK 11
Digestive System
Performance Objectives
Student should be able to:
- Give the types of digestive system
- Describe the parts of the alimentary tract
- Give the functions of parts of the alimentary tract
Content
Digestion is the breaking down of large molecules of food into simple and absorbable form for use by the animals. The digestive system includes the alimentary tract or canal and all the organs and glands associated with the digestion and assimilation of food in animals.
Types of Digestive System
Animals have different types of alimentary tracts which vary in size, complexity, mode of feeding or the type of diet. The nature of alimentary tract has some evolutionary trend as the complexity tends…