Madison's puzzle

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Across
  1. 2. Bones
  2. 4. Bundles
  3. 9. Thin filament
  4. 11. Surround fascicles
  5. 12. Smaller fibers
  6. 14. Contraction
  7. 16. Unconscious
  8. 17. Functional Unit
  9. 18. Boundary
  10. 19. Conscious
Down
  1. 1. Gap
  2. 3. Surround Muscle
  3. 5. Thick filament
  4. 6. Heart
  5. 7. Cellular Respiration
  6. 8. Intestines
  7. 10. Pacemakers
  8. 13. Plasma Membrane
  9. 15. Overlap