“Pharmacokinetics may be simply defined as what the body does to the drug, as opposed topharmacodynamics, which may be defined as what the drug does to the body.{{cite book |last=Benet |first1=Leslie Z. |title=Drug Metabolism and Drug Toxicity |chapter=Pharmacokinetics: Basic Principles and Its Use as a Tool in Drug Metabolism |editor-last=Mitchell |editor-first=Jerry R |editor2-last=Horning |editor2-first=Marjorie G |location=New York, NY |publisher=Raven Press |year=1984 |page=199}}”