presentation discuss the progress of a drug from administration to excretion in a step by step way. In other words, explain the progress of a specific drug from its point of entry into the body as it moves through the various organs, tissues and structures of the body until the drug or its metabolites are excretedFor example, if your assignment was on the intravenous use of Heroin, the presentation should include a drawing, diagram or photograph of a syringe; of heroin itself; of a needle puncturing a vein; of heroin travelling through the circulatory system to the various organs, and so on.In presentation, be sure to specify:    the route of administration (a.k.a. how the drug got in the body) the drug itself how the drug gets from the point of entry into the circulatory system (if applicable) what happens next (Where does it go? How does it get there?) the organs and tissues involved in breaking the drug down how/where the body excrete the drug or it's metabolites.