Muscular system

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Across
  1. 4. disease
  2. 6. drug
  3. 10. specialized cells
  4. 12. organ
  5. 13. skin
  6. 16. organ
  7. 18. legs
  8. 19. arm muscles
  9. 20. arms
Down
  1. 1. 40%
  2. 2. bones
  3. 3. movement
  4. 5. more than 600
  5. 7. function
  6. 8. major
  7. 9. cells
  8. 11. muscles
  9. 14. arm muscles
  10. 15. organ
  11. 17. system