A continent is one of several very large landmasses on Earth. Generally identified by convention rather than any strict criteria, up to seven regions are commonly regarded as continents. Ordered from largest in size to smallest, they are: Asia, Africa, North America, South America, Antarctica, Europe, and Australia.
unit 4b: DEpressants and Inhalants. Summary of Chapter 7 Information. Depressant drugs including the barbiturates, benzodiazepines, and inhalants have many effects in common with each other and with alcohol.As a group, they reduce the functioning of the central nervous system. At low doses, they may be prescribed as sedatives for daytime use to reduce anxiety.ost abusers of inhalants are young teens. Products that can be abused by inhalation include readily available items like gasoline, glue, paint, lighter fluid, spray cans, nail polish, and correction fluid. Gamma hydroxybutyric acid, known as GHB, is another central nervous system depressant.
Depressants are psychoactive drugs which temporarily diminish the normal function of the brain and central nervous system. These drugs include opiates and opioids, barbiturates, benzodiazepines, tranquilizers and alcohol. Due to their effects, these drugs can be referred to as downers.Alcohol. Alcohol is the most frequently used depressant. Types of alcohol include beer, wine, and liquor.Alcohol is a psychoactive drug that reduces attention and slows reaction speed. Alcohol intoxication affects the brain, causing slurred speech, clumsiness, and delayed reflexes.lcohol is the most frequently used depressant. Types of alcohol include beer, wine, and liquor. Alcohol is a psychoactive drug that reduces attention and slows reaction speed.