(Cervical vertebrae) C1-C7
Location of nerve to related organ.
C1 Sympathetic nerves, inner and middle ear, pituitary gland
C2 Eyes, Optic nerve, auditory nerve, throat, tongue, sinuses.
C3 Trifacial nerve, outer ear, teeth, parotid glands.
C4 Eustachian tubes, gums, lips, nose.
C5 Pharynx, vocal cords, neck glands, throat.
C6 Tonsils, neck muscles, shoulders.
C7 Thyroid gland, elbows, shoulders.
Possible effects of nerve