What triggers movement of the muscles?
It is a kind of pathway involving the way that
Answers
Answer:
The motor system is the part of the central nervous system that is involved with movement. It consists of the pyramidal and extrapyramidal system.
The motor pathway, also called the pyramidal tract or the corticospinal tract, serves as the motor pathway for upper motor neuronal signals coming from the cerebral cortex and from primitive brainstem motor nuclei. There are upper and lower motor neurons in the corticospinal tract.
The motor impulses originate in the giant pyramidal cells (Betz cells) of the motor area, i.e., the precentral gyrus of the cerebral cortex. These are the upper motor neurons of the corticospinal tract. The axons of these cells pass from the cerebral cortex to the midbrain and the medulla oblongata. Peripheral motor nerves carry the motor impulses from the anterior horn to the voluntary muscles.
Explanation:
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Answer:
A Muscle Contraction Is Triggered When an Action Potential Travels Along the Nerves to the Muscles. 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.
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