exercise_muscular_topic_2

exercise_muscular_topic_2 - The Muscular System...

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The Muscular System: Neuromuscular Junction 1. What insulates each muscle cell? _________________________ 2. Synaptic vesicles in the axon terminal of a motor neuron contain what neurotransmitter? _________________________ 3. An action potential in the axon terminal of a motor neuron opens what type of ion channels? _________________________ 4. By what means of membrane transport does the neurotransmitter leave the axon terminal? _________________________ 5. Binding of neurotransmitter to the receptors on the motor endplate open what type of ion channels? _________________________ 6. Opening of these channels leads to _______________ of the motor endplate. 7. How is the neurotransmitter removed from the synaptic cleft? 8. As a result of question 6, an action potential is propagated along the
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