CBSE Class 3 Science – Our Body and Its Functions

Chapter Overview

The human body is made up of different organs that perform various functions to keep us healthy and active. This chapter explores the functions of body parts such as the brain, heart, lungs, stomach, and sense organs.

Important Keywords

• Brain: The control center of the body that helps us think and remember.
• Heart: Pumps blood to all parts of the body.
• Lungs: Help in breathing and provide oxygen to the body.
• Stomach: Digests food to provide energy.
• Bones: Give shape and support to the body.
• Muscles: Help in movement and body functions.