Nervous system

Nervous system

The nervous system consist of the brain, spinal cord and neurons. These organs work as a group. They coordinate the actions of the body and transmit information from one part to another. Neurons are the core of the nervous system. They can transmit information by electrical and chemical signaling. They connect to each other and form neural networks which process a lot of information. Different types of neurons perform different functions. Sensory neurons react to stimuli from the sense organs, such as light or sound. Motor neurons help the body to move.

The brain and the spinal cord make up the central nervous system. Information travels through nerves and up the spinal cord to the brain. The brain controls all the body systems. The vertebrae of the backbone protect the spinal cord.