b17

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Across
  1. 2. Bone connection
  2. 4. Recovery process
  3. 5. Energy release
  4. 10. Automatic response
  5. 11. Food breakdown
  6. 12. Waste removal
  7. 18. Movement tissue
  8. 19. Signal pathway
  9. 20. Bone connector
Down
  1. 1. Blood movement
  2. 3. Reaction to stimulus
  3. 6. Nutrient uptake
  4. 7. Disease defense
  5. 8. Environmental signal
  6. 9. Body framework
  7. 13. Flexible tissue
  8. 14. Abnormal condition
  9. 15. Chemical messenger
  10. 16. Liquid blood part
  11. 17. Muscle connector