alcium allows myosin to bind to the actin. - message travels down the axon of a nerve. lyosin pulls on the actin causing the muscle to shorten. n electrical wave of the action potential travels across the muscle cell and deep into the interior of the cell. he end of the axon of the nerve releases the neurotransmitter, acetylcholine. he electrical charge causes calcium to be released into the cytoplasm of the muscle. - he neurotransmitter, acetylcholine travels across the space between the axon ending and the muscle. itter acotvlcholine binds to rocenters on the mucclo

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Q: Smooth muscle

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A:

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A: Disclaimer: Since you have asked multiple questions, we will solve only the first question for you.…