Skeletal System
Across
- 3. made of numerous branching bony plates, irregular connecting spaces to help reduce the bone's weight
- 6. platelike ex: ribs
- 8. variety of shapes; usually connected to several other bones
- 11. bone building cells
- 13. specialized type of soft connective tissue that makes red blood cells or stores fat
- 16. contains blood vessels and nerve fibers, lacunae for cirlces around
- 17. farthest end of a long bone
- 18. tough vascular covering of fibrous tissue
- 19. break down calcified extracellular matrix
Down
- 1. hollow chamber that houses marrow
- 2. long longitudinal axes and expanded ends
- 4. shaft of long bone
- 5. nearest expanded end of long bone
- 7. cubelike bones, lengths and widths roughly equal
- 9. bone cell
- 10. process of blood cell formation
- 12. wall of the diaphysis; tightly packed tissue
- 14. form concentric circles
- 15. lines medullary cavity