Is a type of drug lowers the rate of muscular or nervous system activity

The correct answer for above statement is:

A depressant, or primary depressant, is a pill that reduces neurotransmission levels, which is to reduce or lessen arousal or stimulation, in different regions of the brain. Depressants are also seldom mentioned as "downers" as they reduce the level of arousal when used.It greatly effect the nervous system and also dangerous for muscular system.

answer; ///(copd) chronic obstructive pulmonary disease,plz check first ///good luck

its b i just took the test and i hit a it was wrong