Final answer:
Depressants, stimulants, and opiates are three types of drugs that affect the activity of the central nervous system.
Step-by-step explanation:
Depressants are the types of drugs that slow down the activity of the central nervous system. Depressants have a sedative effect and can slow down brain activity, reduce anxiety, and produce a sense of relaxation. Examples of depressants include alcohol, benzodiazepines, and barbiturates.
Stimulants on the other hand, increase the activity of the central nervous system. They can boost alertness, attention, and energy. Examples of stimulants include cocaine, amphetamines, and caffeine.
Opiates are a class of drugs that depress the central nervous system. They are derived from the opium poppy and include drugs such as heroin, morphine, and prescription painkillers like oxycodone.
Learn more about types of drugs that slow down the activity of the central nervous system