muscular system I

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Across
  1. 4. Voluntary striated muscle
  2. 6. Synapse between motor neuron and muscle
  3. 8. Regulatory protein binding calcium
  4. 11. Functional contractile unit
  5. 14. Protein forming thick filament
  6. 15. Cytoplasm of muscle fiber
  7. 16. Mechanism of muscle contraction
  8. 17. Involuntary non-striated muscle
Down
  1. 1. Involuntary striated muscle of heart
  2. 2. Shortening of muscle
  3. 3. Protein forming thin filament
  4. 5. Muscle fiber membrane
  5. 7. Regulatory protein on thin filament
  6. 8. Myosin filament
  7. 9. Individual muscle cell
  8. 10. Actin filament
  9. 12. Tissue that contracts to produce movement
  10. 13. Inability to maintain contraction