Consists of brain, spinal cord and peripheral nerves.
Structure/function: is a network of nerves that carry messages around the body, allowing us to interact successfully and safely with our environment.
It is protected by bones and fluid
Nervous tissue is made up of special cells called neurons which are found in brain, spinal cord and nerves.
The structure enables communication by sending info around your body by conducting electrical signals (electrical impulses. Injured neurons in central nervous system do not easily regenerate.