Across
- 1. works with the bone to help the body to move
- 4. protects your heart,lungs,and liver
- 5. several organs that work together
- 6. places in our skeletal system where bones meet
- 8. holds your body upright
- 9. protects some organs,supports the body and gives it shape
Down
- 2. allow exchange of gases in the lung
- 3. breaks down food so that it can be used by the body
- 7. protects your brain
- 10. it is made out of the same kind of cells