Across
- 4. a large phagocytic cell
- 6. produces collagen
- 11. cytoplasmic events
- 14. the skin
- 15. delicate
- 18. black
- 19. structural cartilaginous tissue
Down
- 1. chief structural unit of compact bone
- 2. very strong tissue
- 3. lines certain internal cavities
- 5. in the respiratory tractand joints
- 7. hard whitish tissue
- 8. epithelial tissue thatsecretes mucus
- 9. skeleton
- 10. a bone cell
- 12. contract to produce movement in body
- 13. connective tissue
- 16. consisting of specialized cells
- 17. secreted the matrix of cartilage
