Chapter 6 & 9 Crossword

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Across
  1. 4. found in spongy bone
  2. 6. influx results in depolarization
  3. 7. smooth muscle rhythmic contraction
  4. 10. process of bone formation
  5. 14. cartilage for embryo long bones
  6. 16. filaments in I bands
  7. 17. skeletal muscle contractile unit
  8. 18. stores oxygen in muscle cells
  9. 19. contents of yellow marrow
Down
  1. 1. blood cell formation in red marrow
  2. 2. bones are porous and thin
  3. 3. attaches to actin during contraction
  4. 5. found in thick filaments
  5. 8. messenger for muscle contraction
  6. 9. common sports fracture from twisting
  7. 11. multinucleated muscle cells
  8. 12. ion that binds to troponin
  9. 13. bone matrix secreting cell
  10. 15. model for endochondral ossification