Muscle Crossword Puzzle (Goode, Ariana)

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Across
  1. 4. plasma membrane of muscle
  2. 6. surrounded by a membrane called perimysum
  3. 9. functional unit inside of a muscle fiber
  4. 11. a muscle under conscious control
  5. 14. muscle aka striated
  6. 15. long weak contractions
  7. 18. attaches muscle to bone
  8. 19. surrounds muscle
Down
  1. 1. where thick and thin filaments overlap
  2. 2. boundary between sarcomeres
  3. 3. a collection of cells that are excitable
  4. 5. produces heat
  5. 7. a muscle that is not under conscious control
  6. 8. enlargement of a muscle
  7. 10. fiber a single muscle cell
  8. 12. thin filament
  9. 13. a sustained involuntary contraction
  10. 16. thick filament
  11. 17. pacemaker cells of the heart
  12. 20. muscle fiber + motor neuron