Anatomy & Physiology
It is a major component of the parasympathetic nervous system, influencing various organs such as the heart, lungs, and digestive tract.
It transmits visual information from the retina to the brain.
It controls voluntary muscle movements and transmits sensory information from the skin, muscles, and joints to the central nervous system.
It arises from the cervical spine and controls the diaphragm, playing a crucial role in breathing and respiration.
