This tells the muscle fibre to contract, which makes the muscles move. The motor neurons release a chemical, which is picked up by the muscle fibre. Where they sit together is called a neuromuscular junction. The neurons that carry these messages to the muscles are called motor neurons.Įach motor neuron ending sits very close to a muscle fibre. Neurons carry messages from the brain via the spinal cord. Nerves and muscles, working together as the neuromuscular system, make the body move as you want it to and also control functions such as breathing. The nervous system provides the link between thoughts and actions by relaying messages from the brain to other parts of the body. The neuromuscular system includes all the muscles in the body and the nerves serving them.Įvery movement the body makes requires communication between the brain and the muscles.
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