U4Q1
Across
- 3. moving place where muscle attaches
- 6. the level of stimulation required to trigger a neural impulse.
- 9. mover main muscle that causes movement
- 10. adenosine tri phosphate; molecule whos bonds can provide energy when broken
- 11. stationary place where muscle attaches
- 15. (cellular) when unusable glucose molecues are converted to usable ATP molecules
- 16. junction connection between a nerve and muscle
- 17. muscles with opposing actions
- 22. cytoplasm of the muscle fiber
- 24. thick filament bundles found within skeletal muscle cells; head portion
- 26. movement that increases angle of joint
- 28. of a sarcomere I band, A band, Z line, M line, H zone
- 29. movement that reduces angle of joint
- 30. muscle involuntary, striated, muscle tissue, in walls of heart
Down
- 1. period period where a sarcomere isn't able to contract again
- 2. muscle involuntary, nonstriated, muscle tissue, in the walls of organs and blood vessels.
- 4. when forces of individual contractions combines; tetanus
- 5. debt fermentation
- 7. when the number of motor units/sarcomeres increases
- 8. molecules transmitted across neuromuscular junction
- 10. idea that a muscle sarcomere will either all contract or not
- 12. disc between cells in cardiac muscle
- 13. rhythmic muscular contractions; wavelike
- 14. plasma membrane of a muscle fiber
- 18. has troponin; blocks actin and myosin binding
- 19. thin filament
- 20. contractile unit of muscle
- 21. combines with calcium to get tropomyosin out of the way for actin myosin binding
- 23. impulse excitation of a muscle fiber; know the steps
- 25. muscle voluntary, striated, muscle tissue in skeletal muscles
- 27. muscle that assists prime mover