2.83 Central Nervous System

• The nervous system controls your action and coordinates different parts of the body.
• The central nervous system consist of the brain and the spinal cord where they are both made of delicate nervous tissue .They are both protected where the brain is protected inside the skull and the spinal cord is protected inside your backbone.
• The peripheral nerves connects organs to the central nervous system. Each nerves is made up or nerve cels or neurones. 
• Sense organs are our receptors where they send messages to the central nervous system and are sent along the sensory neurons. 
• When the central nervous system sends messages telling effectors what to do, the message is sent along the motor neuron.