CBSE Class 4 Science – Teeth and Digestion

Chapter Overview

This chapter helps students understand the structure and function of teeth, their importance in chewing food, and how digestion occurs in the human body.

Important Keywords

• Teeth: Hard structures in the mouth that help chew food.
• Incisors: Front teeth used for cutting food.
• Canines: Sharp teeth used for tearing food.
• Molars: Back teeth used for grinding food.
• Enamel: The hard outer covering of teeth.
• Digestion: The process of breaking down food into simpler substances.
• Saliva: A liquid in the mouth that helps in digestion.
• Stomach: An organ where food is mixed with digestive juices.