skeletal system
Across
- 2. upper leg femur
- 4. bone: in the shaft and end of a long bone, contains marrow space
- 6. attached muscle bone
- 8. forms the embryonic structure, which later forms bone.
- 11. attached to the bone is a synovial joint
- 12. bone: only at the end of the long bone
- 14. inflammation of a joint
- 15. excessive bone loss
Down
- 1. bone-forming cells.
- 3. inhibit the bone-resorbing osteoporosis
- 5. adequate calcium and vitamin D
- 7. specialized connective tissue
- 9. upper arm
- 10. airspace within several cranial and facial bones
- 13. protect lungs and heart