All the nerves and nerve cells outside your central nervous system make up your peripheral nervous system. Its task is to relay information from your brain and spinal cord to the rest of your body and ...

Click on the labels below to find out more about your nervous system and senses. Your spinal cord can be divided into four sections shown in green, blue, pink and turquoise. Nerves emerging from these ...

The nervous system enables humans to react to their surroundings and to coordinate their behaviour. It comprises millions of neurones and uses electrical impulses to communicate very quickly. In this ...

Neurons are the brain cells that transmit and receive signals to enable processes such as thought. These signals are transmitted across junctions called synapses by neurotransmitters. Revise nerve ...