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.
Inhalants usually encompass volatile substances, many found around the home or office, that give off fumes or vapours at room temperature. Others are industrial. The four main categories of inhalants are.1  Volatile solvents â glue, petrol.Desired Side Effects). 1  Volatile Solvents and Aerosols â the intoxication is similar to that from alcohol except it is achieved faster (between 1 and 5 minutes) and recovery is faster also (usually no longer then 60 minutes).