the skeletal system
Across
- 2. bones cavernous areas consist of
- 4. a living tissue with active cells and blood support
- 8. long bone with two heads AND a shaft
- 11. bones dense areas contain
- 13. a fracture in which the bone ends penetrate through the skin surface
- 14. a fibrous cellular vascular and highly sensitive life support sheath for bones
- 16. bone broken cleanly; ends do not penetrate the skin
- 17. a result of twisting forces
- 19. nonliving structure part of bone
- 20. mature osteoblasts; process engage in metabolic and calcium exchange with blood
Down
- 1. bone forming cells that are secrete collagen and ground substances into the bone matrix
- 3. site of fat storage in adults
- 5. a red gelatinous substance composed of red and white blood cells in a variety of developmental forms
- 6. tiny canals connecting lacunae
- 7. where bones are connected at
- 9. residences of osteocytes
- 10. layers of calcified matrix
- 12. polynucleated macrophage like cells that digest bone matrix by secreting protease enzyme
- 15. is hormone secreted by the parafollicular C cell of the thyroid
- 18. a long bone with two heads