What does the nervous system do

• It is divided into two sub-sections called the CNS and PNS
• It is divided into two sub-sections called the CNS and PNS
• The CNS is made up of the brain and spinal cord
• The brain is the centre of all conscious awareness
• cerebral cortex is the outer layer responsible for all sophisticated thinking and only mammals have this. It is around 3mm thick and covers the brain
• The PNS links the body’s response to the outside world and it is made up of two subsections: autonomic nervous system and the somatic nervous system
• PNS controls voluntary and involuntary responses