how is the mouth connected to the brain
Cranial nerves connect your sense organs (eyes, ears, nose, mouth) to your brain; Central nerves connect areas within the brain and spinal cord; Peripheral nerves connect the spinal cord with your limbs; Autonomic nerves connect the brain and spinal cord with your organs (heart, stomach, intestines, blood vessels, etc.) The central nervous system consists of the brain and spinal cord, including cranial and central nerves.