Nervous, Muscular, and Skeletal System

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Across
  1. 2. carries signals throughout the body
  2. 4. when a muscle tightens
  3. 9. connects bone to bone
  4. 10. where two bones meet
  5. 12. muscle found only in the heart
  6. 13. movement you do not control
  7. 22. a cell that sends and receives signals
  8. 23. ability to work over time
  9. 25. movement you control
  10. 26. ability to move the body
  11. 29. supports the body and protects organs
  12. 30. supports the body and protects the spinal cord
  13. 31. holds up the body
  14. 34. arms, legs, wings, or fins used for movement
  15. 35. the brain and spinal cord
  16. 38. skeleton inside the body
  17. 39. carries messages between the brain and body
  18. 40. ways the body gathers information
  19. 42. muscle attached to bone for movement
Down
  1. 1. all nerves outside the brain and spinal cord
  2. 3. how the body reacts to something
  3. 4. flexible tissue that reduces friction
  4. 5. mineral that strengthens bones
  5. 6. a message sent through the nervous system
  6. 7. hard structure that supports the body
  7. 8. muscle in organs that works automatically
  8. 11. carries information to the brain
  9. 14. skeleton on the outside of the body
  10. 15. ability to produce force
  11. 16. connects muscle to bone
  12. 17. a quick, automatic reaction
  13. 18. makes blood cells inside bones
  14. 19. keeps organs safe
  15. 20. mineral that helps build bones
  16. 21. controls the body and processes information
  17. 24. connects neurons within the brain and spinal cord
  18. 27. a single muscle cell
  19. 28. tissue that helps the body move
  20. 32. when a muscle loosens
  21. 33. something that causes a reaction
  22. 36. carries signals to muscles
  23. 37. protect the heart and lungs
  24. 39. protects the brain
  25. 41. all the bones in the body