Stimulation and contraction of single skeletal muscle fibers

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