The Human Skeleton
Discover what bones do and how to keep them strong.
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Your body has a frame of bones called the skeleton.
In this lesson you will:
- Say what the skeleton does.
- Name major bones in the body.
- List ways to keep bones strong.
Jobs of the Skeleton
The skeleton is made of bones. It does three important jobs:
- It gives the body its shape and holds you upright.
- It protects soft organs — the skull protects the brain, and the ribs protect the heart and lungs.
- It works with muscles so you can move.
Bones You Should Know
The skull protects the brain. The spine runs down the back. The ribs form a cage around the chest. The femur is the long bone in the thigh.
Feel your bones
Gently touch the top of your head — that is the skull.
Feel the bones in your chest — those are ribs.
Stand tall and feel the bones in your back — that is the spine.
Tip Milk, beans, fish and leafy vegetables help build strong bones. Safe play and exercise keep them healthy too.
Practice
- Name three jobs of the skeleton.
- Which bone protects the brain?
- Write two foods that help build strong bones.
Recap
The skeleton supports the body, protects organs and helps us move. Good food and safe exercise keep bones strong.
Test what you just learned
Take the topic quiz to check your understanding and earn points.
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Course contents
Our Body and Health
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