Across
- 3. Type of respiration used by fast twitch fibers
- 4. Structures activated during stronger muscle contractions
- 8. Type of control used by skeletal muscles
- 9. Muscle fibers used in explosive movements
- 12. Another word used to describe striations
- 15. Type of respiration used by slow twitch fibers
- 17. Structures in cardiac muscle that allow signals to pass from fiber to fiber
- 19. Smooth muscle cells have a single one
- 21. The return of a muscle to its resting state
- 22. Ion released during muscle contraction
- 23. Muscle fibers used for endurance and prolonged exercise
- 24. Substance muscles need along with ATP
- 25. Primary job of muscles in the body
- 26. Connective tissue that attaches muscles to bones
- 27. Full name of ATP
- 29. Structures that make up muscles and contract
Down
- 1. Force generated during contraction
- 2. How smooth muscles often work
- 5. Energy produced from chemical energy during movement
- 6. Type of control used by smooth and cardiac muscles
- 7. The shortening and tightening of muscle fibers that generates tension
- 10. Main energy source that feeds muscles
- 11. Muscle type only found in the heart
- 13. Muscle type controlled involuntarily that is found in organs like the stomach
- 14. Protein that blocks muscle synthesis
- 16. Muscle type under voluntary control and attached to bones
- 18. Tissue that wraps muscle subunits and forms tendons
- 20. The only place cardiac muscle is found
- 23. Having a striped appearance or pattern
- 28. Smooth muscle movement that pushes food through the digestive tract