How do muscle cells respond to electrical impulses or nerve impulse?
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Muscle contraction begins when the nervous system generates a signal. The signal, an impulse called an action potential, travels through a type of nerve cell called a motor neuron. The chemical message, a neurotransmitter called acetylcholine, binds to receptors on the outside of the muscle fiber
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Muscle cells have sensory nerves(carries information towards Central Nervous system, responsible for converting external stimuli from an organism's environment to internal electrical impulse) that sends all he messages to brain. For example, if we touch something hot, our sensory nerves will send message to to our brain and we will move our hand back.
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