Sliding Filament Theory - Quick Questions

• What is released from the neuromuscular junction?
  
  
  
• What is the name given to the connections between Myosin and Actin?
  
  
  
• Complete the sentence: The Myosin pulls the ____ filaments inwards which _______ the muscle
  
  
  
• When the nervous impulse stops, what happens?
  
  

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