muscle

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Neuromuscular junctions are the focal point where a motor neuron attaches to a muscle. Acetylcholine, is released from the axon terminal of the nerve cell when an action prospective reaches the microscopic junction known as a synapse. A group of chemical messengers cross the synapse and stimulate the formation of electrical changes, which are developed in the muscle cell when the acetylcholine binds to receptors on its surface. Writing, painting, and typing all demand speed and precision from the identical muscles. Full athletic activities such as boxing or throwing a ball demand arm and hand muscle tissues to be sturdy,...