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