After a drug is administered<span>, it is absorbed into the bloodstream. ... </span>path<span> of </span>drugs<span> ... An intradermal injection is an injection into </span>the skin<span> tissue. ... Snorting </span>drugs<span> causes them to be absorbed through the blood vessels in the </span>nose<span> where they ... large intestine, where waste products carry </span>what<span> is left of the</span>drug<span> out of the body.</span>
