Human Body

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Across
  1. 3. what sends signals to the brain
  2. 8. biggest bone in your body
  3. 10. protects brain
  4. 11. Carries large amount of fast flowing blood
  5. 12. Largest muscle on your body
  6. 13. runs through your back
  7. 14. you intake oxygen and relies carbon dioxide
  8. 16. fights infection
  9. 17. bones protecting vital organs
  10. 19. flexes when you bend your elbow
  11. 20. What you breath out
Down
  1. 1. connects nerve to the brain
  2. 2. every nerve makes this
  3. 4. pulls bones to give movement
  4. 5. used to run and jump
  5. 6. muscle that controls nervous system
  6. 7. What you breath in
  7. 9. carries oxygen in blood
  8. 15. carries blood
  9. 18. pumps blood and oxygen through body