Across
- 1. If you fall out of a very tall tree you can break your _____.
- 3. It cushions your vital organs.
- 6. ______ system fights sicknesses.
- 9. Pumps blood throughout your body.
- 10. You think with it.
- 11. You need them to see.
Down
- 2. Protects us from microbes.
- 4. You chew food with them.
- 5. You need this for your muscles to get stronger.
- 7. They move your body.
- 8. Keeps your head a bit warmer.