Science Crossword - Tic-Tac-Toe - 2022

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Across
  1. 2. involuntary movement
  2. 3. liquid part of bone
  3. 5. the outer layer of the skin
  4. 7. muscle used in digestion
  5. 10. coordinates wide range of functions
  6. 12. part of skeletal system.
  7. 13. pigment in your skin
  8. 14. moves stuff TO heart
  9. 15. a shot to prevent illness
  10. 17. involuntarily inhaling
  11. 18. transmitter in neurons
  12. 19. connects the artery to vein
  13. 22. coordinates movement
  14. 23. controls the body; brain/nerves
  15. 24. fibrous membrane covering bone
  16. 27. part of the muscular system
  17. 28. protein used to fight diseases
  18. 29. a muscle you don't choose to use
Down
  1. 1. connects to tendons
  2. 4. inner layer of skin
  3. 6. nails/hair/skin etc protecting body
  4. 8. provides structure/support
  5. 9. a muscle you choose to use
  6. 11. connects bone to bone
  7. 16. stiffness in joints
  8. 20. control breathing
  9. 21. used to treat cancer
  10. 22. softer tissue residing in ears/nose
  11. 25. moves stuff AWAY from heart
  12. 26. used to break down food