Answer:1). Heroin 2).Marijuana 3). LSD 4). Inhalants 5).GHB 6). Cocaine
Explanation:
1) heroin when injected directly into the vein goes directly into the bloodstream and immediately into the brain where it exerts its effect.
2) marijuana produces physical and psychological effects. Smoking it produces euphoric effect and a sense of relaxation. Varying effects are felt in various individuals, like an experience of fear, panic, anxiety and hallucination.
3) LSD fully known as Lysergic acid diethylamide is an hallucinogenic drug that alters feelings, thoughts, senses and a person's awareness of his/her sorroundings.
4)inhalants are substances people breathe in to give an immediate rush or high. Examples are; paint, glues, thinners, gasoline, deodorants, spray paint
5) GHB fully known as Gamma-Hydroxybutyrate is an odorless oily substance and almost tasteless compound with a slightly salty taste.
6) Cocaine is an addictive drug that gives an initial intense high effect after intake followed by an intense form of depression and tiredness.