Muscles

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Across
  1. 2. flexor in leg
  2. 6. extensor in arm
  3. 8. flexor in arm
  4. 9. muscles are made of these
  5. 11. holds up your heavy head
  6. 13. move bones
  7. 15. longest muscle
  8. 16. tract made of smooth muscle
  9. 19. muscle shortens
  10. 20. when muscles tire
  11. 21. contract quickly
  12. 24. move food
  13. 25. calf muscle
Down
  1. 1. extensor in leg
  2. 3. largest muscle in the body
  3. 4. chest muscle
  4. 5. bends a part of the body
  5. 7. shoulder
  6. 10. muscle lengthens
  7. 12. help you breathe
  8. 14. straightens a part of the body
  9. 17. Skeletal muscles
  10. 18. not under your control
  11. 19. pump blood
  12. 22. connect bones to muscles
  13. 23. made of cardiac muscle