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Explain “Excitation-Contraction Coupling” by describing the chain of events that occurs from the Action Potential approaching the...

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Medical Sciences

Explain “Excitation-Contraction Coupling” by describing thechain of events that occurs from the Action Potential approachingthe terminal end of the motor neuron through the production of aconcentric contraction in the skeletal muscle

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EXCITATION CONTRACTIONCOUPLINGexcitation of muscle muscle contraction is initiated by asignal sent by the central nervous system via motor neuronA neural signal reaching the neuromuscular junction releases aneurotransmitter acetylcholine which generates a action potentialin the muscle fibreWhen the action potential spreads to the triad system throughthe T tubules the    See Answer
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