Nervous system

The nervous system is the body's communication and control network, made up of the brain, spinal cord and a vast web of nerves.

Structure

It is divided into the central nervous system (brain and spinal cord) and the peripheral nervous system (nerves throughout the body). Signals travel as electrical impulses along nerve cells called neurons.

Function

The nervous system senses the environment, processes information, and directs movement, thought and vital functions such as heartbeat and breathing.

Frequently asked questions

What does the nervous system do?

It controls and coordinates the body through nerve signals.

What are the main parts of the nervous system?

The brain, spinal cord and nerves.