Question: Order the following events (1-7) as they occur during excitation-contraction coupling between the somatic motor neuron and skeletal muscle fiber. Put 1 by the

Order the following events (1-7) as they occur during excitation-contraction coupling between the somatic motor neuron and skeletal muscle fiber. Put 1 by the first event, 2 by the second and so on. Contraction occurs Action potential moves along the sarcolemma V Action potential moves along T tubules, ion channels open Neurotransmitter released binds to receptors and ion channels open Electrical signal (action potential) arrives at end of neuron axon Local depolarization occurs at motor end plate DY Ca2+ is released into cytoplasm of muscle fiber

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