- B pharma second semester ke notes ha exam ka liya . NERVOUS SYSTEM= Nervous system is a control centre of the body . Nervous system is a master controlling system of the body . Nervous system is main part of the body . Nervous system= Organization Of nervous system. Neuron , neuroglia, classification and properties of nerve fibre , electrophysiology, action potential , nerve impulse , receptors , synapse, neurotransmittersΒ