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Year 3 Science Biological Sciences AC9S3U01

The Human Body

Year 3 students explore the major systems of the human body including the skeletal, muscular, and digestive systems, and understand how they work together.

What You Need to Know

Key Concept Diagram

The skeletal system is made up of bones that give the body shape, support, and protection

Muscles attach to bones and contract to create movement throughout the body

The digestive system breaks food down into nutrients the body can absorb and use

Body systems work together so that the body can grow, move, and stay healthy

Key Vocabulary

Skeleton

The framework of bones that supports and protects the body

Muscle

Body tissue that contracts to produce movement

Digestion

The process of breaking down food so nutrients can be absorbed by the body

Organ

A part of the body with a specific function, such as the heart or stomach

Knowledge Check

Select the correct answer for each question. Click "Check Answer" to see if you are right.

Question 1

What is the main job of the skeleton?

Question 2

Which organ is part of the digestive system?

Question 3

Muscles and bones work together to allow the body to…

Key Concepts Summary