The Skeletal and Muscular Systems
Across
- 3. blood cell production in bone marrow cavities
- 5. longest and strongest bone in the body
- 8. shoulder muscle
- 9. has a relaxing affect on muscles
- 10. the brain is protected by
- 12. lower leg/calf muscle
- 14. accumulation of this can cause muscle to quiver and stop contracting
- 15. a function of the muscular system
Down
- 1. a function of the skeletal system
- 2. joint between the bones of the skull
- 4. brittle bone disease
- 6. upper arm bone
- 7. kneecap
- 11. a function of the skeletal system
- 13. muscle found only in the heart wall