Muscle contractions

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Across
  1. 2. contractile unit of muscle
  2. 5. calcium binding intermediate messenger protein of smooth muscle
  3. 10. primary mineral involved with skeletal muscle contractions
  4. 11. thick XX across/down
  5. 12. translation of nerve action potentials
  6. 13. bulbous swellings of smooth muscle associated with nerve fibers
  7. 17. junction of nerve and target cell
  8. 18. electrical change due to sodium influx
  9. 19. terminal end sacs of sarcoplasmic reticulum
  10. 21. calcium binding regulatory protein
  11. 23. T-tubule plus XX across/down
  12. 24. brief period between stimulus and muscle contraction
Down
  1. 1. connective tissue covering of XX across/down
  2. 3. muscle oxygen source
  3. 4. muscle contractions following calcium bolus / synaptic knob
  4. 5. calcium storage in sarcoplasmic reticulum
  5. 6. neurotransmitter of neuromuscular junction
  6. 7. control of smooth and cardiac muscle
  7. 8. skeletal muscle plasma membrane
  8. 9. fibrous contractile protein strands
  9. 14. waves of involuntary smooth muscle contractions
  10. 15. a bundle of muscle fibers
  11. 16. increase in tension and decrease of muscle fiber length
  12. 20. cell that encloses neuromuscular junction
  13. 22. thin XX across/down