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 drugs (such as alcohol, barbiturates, and opiates) that reduce neural activity and slow down body functions.epressants are drugs (such as alcohol, barbiturates, and opiates) that reduce neural activity and slow down body functions.