Stimulation and contraction of single skeletal muscle fibers

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Across
  1. 2. Neuromuscular junctions contain synaptic _________.
  2. 6. Ach _____and opens channels that allow simultaneous passage of Na+.
  3. 11. Acetylcholine diffuses across the synaptic cleft and binds to receptor in the______.
  4. 13. The synaptic cleft is filled with _____ fluid.
  5. 14. What the name of threadlike extension of the neuron?
  6. 15. The first step of neuromuscular junction is,nerve_____reaches axon terminal of motor neuron.
  7. 16. A single nerve impulse produces only one _______.
  8. 18. CA2 entry causes some synaptic vesicles to release their contents by______.
  9. 20. What the filaments that not shorten during contraction?
  10. 21. ______is one of the cause of ALS.
  11. 22. A_____unit consists of one neuron and all the skeletal muscle fibers it stimulates.
  12. 23. Ability to forcibly shorten when adequately stimulated.
  13. 24. Ability to receive and respond to a stimulus.
  14. 26. Ability of muscle fibers to stretch.
  15. 27. What the name of the junctions that contain synaptic vesicles?
  16. 30. The enzymes acetylcholine will breaks down to acetic acid and __________.
Down
  1. 1. Where the calcium ions release?
  2. 3. Where the thin filaments are pull?
  3. 4. ______ channels open and CA2 enters the axon terminal.
  4. 5. Which enzymes will breaks down when the action potential is occur?
  5. 7. The space between the neuron and the muscle is the_____cleft.
  6. 8. The sliding begins when the______ heads attach to binding sites on the thin filaments.
  7. 9. _______ is also one of diseases that cause ALS.
  8. 10. The _____ acetylcholinesterase breaks down Ach in the synaptic cleft.
  9. 12. Ability to recoil and resume their resting length after being stretched.
  10. 17. The specific _______ that stimulated skeletal muscle fibers is acetylcholine.
  11. 19. What is the short form of amyotrophic lateral sclerosis?
  12. 25. When the action potential ends,calcium ions are immediately returned to the ________ areas.
  13. 28. The movement of ions generates on electrical current called an _______ potential.
  14. 29. The muscle ______ relaxes until stimulated by the next round of acetylcholine release.