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Across
  1. 2. Spine bone
  2. 5. Backbone related
  3. 7. Sugar organ
  4. 8. Heart muscle
  5. 12. Eye covering
  6. 13. Smooth tissue
  7. 14. Storage organ
  8. 17. Brain part
  9. 19. Bile crystal
  10. 21. Filter organ
  11. 22. Air tube
  12. 25. Muscle rope
Down
  1. 1. Heart chamber
  2. 3. Main artery
  3. 4. Body material
  4. 6. Breathing muscle
  5. 9. Bone connector
  6. 10. Heart room
  7. 11. Tiny vessel
  8. 15. Body damage
  9. 16. Eye opening
  10. 18. Body catalyst
  11. 20. Knife wielder
  12. 23. Digestion organ
  13. 24. Eye screen