somatic nerves are divided into spinal nerves and cranial nerves. The cranial nerves are 12 pairs in and out from the brain and perform different functions in this segment of the nervous system. The nerves are often referred to by Roman numerals. There are sensory nerves, and hybrid engines.
I. Olfactory nerve (sensory): transmits information from the olfactory mucosa to the brain
II. Optic nerve (sensory): transmits information from the retina to the visual centers
III. Oculomotor nerve (motor) movements of the eye lens and pupil
IV. Trochlear nerve (motor): eye movements
V. Trigeminal (combined): facial sensations of pain and chewing
VI. Abductor (motor): Eye Movements
VII. Facial (combined): facial expression, salivation and taste
VIII. Vestibulocochlear (sensory): Balance and hearing
IX. Glossopharyngeal (combined): Deglusión, salivation and taste
X. Vago (combined): visceral sensation and control. Blood pressure monitors, cough and deglusión
XI. Cord (motor) movements of the head and shoulders
XII. Hypoglossal (motor) movements of the tongue
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