Muscular Unit Crossword

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