The Nervous system is very complex and mainly comprises of the brain, spinal cord and a system of nerves. The classification can be done as follows:
- The Central Nervous System or CNS.
- The Peripheral Nervous System or PNS.
The Central Nervous System consists of the brain and spinal cord.
The brain gets further divided into Cerebellum, Cerebrum, Cerebrospinal Fluid (CSF), Medulla Oblongata, Meninges and Hypothalamus.
The spinal cord is a bundle of nerve fibres that are connected to the brain.
The Peripheral Nervous System is further divided into Motor Nervous System and Sensory Nervous System.
Motor Nervous System is further divided into Somatic Nervous System and Autonomic Nervous System.