The motor elements of the somatic nervous system begin with the frontal lobe of the mind, the place the prefrontal cortex is answerable for greater capabilities corresponding to working memory. The integrative and associate features of the prefrontal lobe feed into the secondary motor areas, which help plan movements. The premotor cortex and supplemental motor area then feed into the primary motor cortex that initiates actions. Large Betz cells project through the corticobulbar and corticospinal tracts to synapse on lower motor neurons in the brain stem and ventral horn of the spinal twine, respectively. These connections are responsible for producing movements of skeletal muscle tissue.
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