Across
- 2. rib cage protects this
- 5. Tissues that join two bones
- 9. muscle that is involuntary in action and voluntary in structure
- 10. Protects the spinal cord
- 12. marrow fatty substance inside bone
Down
- 1. elastic fibers that join muscles and bones
- 3. protects the brain
- 4. muscles under our control
- 6. joint found in wrist,ankle, between vertebrae
- 7. they contract and relax to produce movement
- 8. joint that allows movement only in one direction
- 11. joint that joins skull and vertebrae