Inhaling a liquid or smoke is when a drug is smoked and the active ingredient remains in the smoke and inhaled into the lungs for an effect. Some examples are nicotine, marijuana, and opium. The inhalation of solids is also called snorting or intranasal administration. When someone snorts a drug in their nose, the drug is absorbed into the bloody from the mucous membranes. It can also run the down the throat and into the stomach through the digestive tract. Examples of these drugs are cocaine, heroin, or snuff tobacco.