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Peppa Anatomy
Updated: 2/4/2020
Peppa Anatomy
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Storyboard Text

  • ACh is released into the neuromuscular junction by the axon terminal
  • ACh diffuses across theneuromuscular junctionand binds to receptorson the sarcolemma
  • Then Depolarization happens,and the action potentialis generated. The action potential causes the SR to release calcium ions
  • The calcium ionconcentration at themyofilaments increases,the myofilaments slidepast one another, andthe cell contracts
  • As calcium is activelyreabsorbed into the SR,its concentrationdecreases at themyofilaments. Then the muscle cell relaxes and strengthens. Just like I am about to do--
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