Across
- 5. voluntary muscles
- 6. released with muscle contraction
- 8. presence of oxygen
- 10. abdominal muscles
- 12. movement of the body parts away from the middle of the body
- 13. function of the muscle that hold bones tightly together
- 15. the muscle that contracts when arm is flexed
Down
- 1. shoulder muscles
- 2. upper back muscles
- 3. muscles of the buttocks
- 4. muscles of the lower leg
- 7. causes muscle fatigue
- 9. moving a body part around an axis
- 11. absence of oxygen
- 14. the chemical form of raw energy in the body