It is made up of the brain and the spinal cord.

It is made up of nerves.

It transmits information between the nerves and the brain. It controls reflexes.

It is inside the skull and has three parts: cerebrum, cerebellum and brain stem

It is the biggest part of the brain. It receives and interprets information from sense organs and controls thinking, feeling and remembering.

It is at the back of the brain. It helps to keep the balance and posture.

It connects the brain to the spinal cord. It controls basic life functions like respiration.

They are long fibres made up of neurons.

They are cells that transmit and receive information through nerve impulses.

It is the long part of a neuron that transmits nerve impulses to other neurons.

They are the shorter extensions in neurons that receive nerve impulses from other neurons.

They are nerves that transmit signals from tissues and organs to the central nervous system.

They are nerves that transmit signals from the central nervous system to bones and muscles.

They are nerves that transmit signals from the central nervous system to the organs and the other way around.