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  Cervical nerve plexus

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Deep in the side of the neck, just even with the initial 4 cervical vertebrate, there lies the cervical plexus. The anterior rami of the initial 4 cervical nerves designate the nerve fibers which create this particular plexus. The cervical plexus creates numerous branches and then innervate the various related structures, such as the skin and muscles of the neck and the appropriate surrounding skin and muscles of the shoulders and head. A few muscles belonging to the neck and pharynx receive a few extra nerve fibers, derived from the cervical plexus and a combination of the accessory and hypoglossal cranial nerves that all mesh into one in order to serve this area. The phrenic nerve is created by the unification of the third, fourth, and fifth cervical nerve. The phrenic nerve is responsible for innervating the diaphragm. The diaphragm contracts, which expels air into the lungs, due to the commands of the motor impulses relayed by the phrenic nerve.

Cervical nerve plexus

Autonomic nervous system
Central nervous systemCirculatory systemDigestive system
Endocrine systemFemale reproductive systemLymphatic system
Male Reproductive SystemMuscular systemPeripheral nervous system
Respiratory SystemSensory organsSkeletal System
Urinary system
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