biopsych exam 3

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  1. neuromuscular junction
    the synapse between the motor neuron and the muscle fiber
  2. NT involved with skeletal movement
  3. when the terminal button releases ach to the muscle fiber
    depolarization of the post synaptic membrane and endplate potential
  4. endplate potential from neuron to muscle fiber vs neuron to neuron
    • -larger
    • - always causes firing causing a contraction or twitch
  5. channels that open up after depolarization---to cause
    calcium ions channels. calcium rushes in and causes contraction
  6. calciums roll in movement
    extract atp energy from the muscle fiber
  7. twitches last longer than action potential because
    trying to strain the calcium from its continuous pumps down the muscle fiber and the pumbs through the neuron membrane
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biopsych exam 3
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