Across
- 1. protects the delicate brain.
- 7. muscles are not under our control.
- 8. a framework of bone.
Down
- 2. strong tissues which hold two bones together.
- 3. uppermost vertebra in the neck.
- 4. joint move the bones only in one direction.
- 5. muscles are under our control.
- 6. protects the delicate spinal cord.
- 9. muscles are attached to the bones by strong fibres.