Watch Mr No-Skeleton show us the importance of our bones.
![An illustrated crab.](https://ichef.bbci.co.uk/images/ic/480xn/p05xhdc1.jpg)
Some animals, such as insects, crabs and lobsters, have a skeleton outside their body. These are called exoskeletons.
The skeleton
Many animals have skeletons to support and protect their body and to help it move.
The human skeleton is made of bones and grows as we grow.
Our skull protects our brain and our ribs protect our heart and lungs.
The skeleton bends at joints such as knees and ankles. Joints are where two or more bones join together
![An illustrated crab.](https://ichef.bbci.co.uk/images/ic/480xn/p05xhdc1.jpg)
Some animals, such as insects, crabs and lobsters, have a skeleton outside their body. These are called exoskeletons.
Times tables 1-12!
Practise the times tables with our songs, videos and quizzes
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More on The Human Body
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