The organ system which, along with the endocrine system, correlates the adjustments and reactions of the organism to its internal and external environment, comprising the central and peripheral nervous systems.
so mainly drugs are devided into the following
- Drugs acting on Central nervous system i.e Anesthetics, Anti depressants, Sedatives etc
- Drugs acting on Peripheral nervous system i.e Adrenergic and cholinergic agonists, Adrenergic and cholinergic antagonist etc