Bio muscle

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  1. acetylcholine
    neuritransmitter released by action potential. it produces postsynaptic potential in the muscle fiber, bringing its membrane potential above threshhold and triggering an action potential
  2. SR
    stores CA
  3. t tubues
    encircle the myofibrils
  4. sarcomere
    unit of a myofibril
  5. z line
    connect sarcomere
  6. actin
    thin filament, attach to z line
  7. myosin
    thick filament
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132916
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Bio muscle
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Bio muscle
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