Science · Topic 60 of 64
The Immune System
⭐ MasteredYour immune system is a team of cells and organs that protects your body from germs. It recognises invaders and fights them off.
💡 Fun fact
White blood cells can be found all around your body, looking for germs.
All about The Immune System
The immune system is the body’s defence network of cells, tissues and organs that protects against germs. It identifies harmful invaders and attacks them.
White blood cells are the key fighters, and the body can remember some germs so it reacts faster next time.
🎮 Try it yourself!
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Real-life uses of The Immune System
- Understanding why vaccines work
- Explaining why sleep and healthy eating help you fight illness
- Learning how the body recovers from infections
Frequently asked questions about The Immune System
What does the immune system do?
It defends the body against germs and other harmful invaders.
What are white blood cells?
They are immune cells that find and destroy germs.