Joshua's Muscle Crossword Puzzle

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Across
  1. 1. where muscles and neurons communicate
  2. 3. the gap between the neuron and motor end plate
  3. 5. muscle that is not under conscious control
  4. 9. striated and multinucleated muscle
  5. 12. Thin Filament
  6. 14. plasma membrane of muscle cells
  7. 16. functional unit in the muscle fiber
  8. 17. fiber is organized into bundles
  9. 19. enlargement of the muscle
  10. 21. where neurotransmitters are stored
Down
  1. 2. nerve and muscle fibers come together to form
  2. 4. muscle under conscious control
  3. 6. "pacemaker" cells of our hearts
  4. 7. singular skeletal muscle cell
  5. 8. non-striated and involuntary muscle
  6. 10. muscle become weak and small
  7. 11. breaks down ACH
  8. 13. involuntary contraction
  9. 15. muscle fiber plus motor neuron
  10. 18. thick filament
  11. 20. the boundary between sarcomeres