Chapter 4 Crossword Puzzle

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Across
  1. 1. lines the thoracic cavity
  2. 3. lines the enclosure of the heart
  3. 8. thin layers protecting the joints
  4. 10. long and narrow
  5. 14. having a firm consistency "gristle"
  6. 15. thin sheets of tissue
  7. 16. produces substances sent out
  8. 17. the study of tissue
  9. 18. cells which produce cartilage
  10. 21. square
  11. 22. tissue composed of adipocytes
Down
  1. 2. tissue covering surfaces
  2. 4. produces secretions carried out of the body
  3. 5. tissue supporting the body's framework
  4. 6. tissue which produces movement
  5. 7. cartilage covering ends of bones
  6. 8. young actively dividing cells
  7. 9. tissue with an open composition
  8. 11. thin layer protecting the brain
  9. 12. produces secretions carried into local tissue
  10. 13. tissue which composes bones
  11. 19. tissue, which conducts nerve impulses
  12. 20. flat and irregular