U4Q1

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Across
  1. 3. moving place where muscle attaches
  2. 6. the level of stimulation required to trigger a neural impulse.
  3. 9. mover main muscle that causes movement
  4. 10. adenosine tri phosphate; molecule whos bonds can provide energy when broken
  5. 11. stationary place where muscle attaches
  6. 15. (cellular) when unusable glucose molecues are converted to usable ATP molecules
  7. 16. junction connection between a nerve and muscle
  8. 17. muscles with opposing actions
  9. 22. cytoplasm of the muscle fiber
  10. 24. thick filament bundles found within skeletal muscle cells; head portion
  11. 26. movement that increases angle of joint
  12. 28. of a sarcomere I band, A band, Z line, M line, H zone
  13. 29. movement that reduces angle of joint
  14. 30. muscle involuntary, striated, muscle tissue, in walls of heart
Down
  1. 1. period period where a sarcomere isn't able to contract again
  2. 2. muscle involuntary, nonstriated, muscle tissue, in the walls of organs and blood vessels.
  3. 4. when forces of individual contractions combines; tetanus
  4. 5. debt fermentation
  5. 7. when the number of motor units/sarcomeres increases
  6. 8. molecules transmitted across neuromuscular junction
  7. 10. idea that a muscle sarcomere will either all contract or not
  8. 12. disc between cells in cardiac muscle
  9. 13. rhythmic muscular contractions; wavelike
  10. 14. plasma membrane of a muscle fiber
  11. 18. has troponin; blocks actin and myosin binding
  12. 19. thin filament
  13. 20. contractile unit of muscle
  14. 21. combines with calcium to get tropomyosin out of the way for actin myosin binding
  15. 23. impulse excitation of a muscle fiber; know the steps
  16. 25. muscle voluntary, striated, muscle tissue in skeletal muscles
  17. 27. muscle that assists prime mover