muscular system
Across
- 1. do humans need muscles to survive
- 4. most important action in the neck
- 5. hardest working muscle
- 6. what is the muscular system composed of
- 12. main part of muscular system involving tissue
- 13. connect muscles to bone
- 14. are the busiest muscles
- 16. contraction makes the most heat in the body
- 19. main part of muscular system involving the heart
- 20. biggest muscle in the body
Down
- 2. main part of muscular system
- 3. pro-dominant function
- 7. how many muscles are required to smile
- 8. widest muscle in the body
- 9. aerobic exercise makes you
- 10. strongest muscle in the body
- 11. makes up the skeleton
- 15. muscles of the body wall the internal organs
- 17. a structure where two points on a human or animal skeleton are fitted together.
- 18. how many muscles are in the body
- 21. contains the smallest muscle in the body