PHARMACOLOGY :Pharmacology is the science dealing with drugs.(Greek: Pharmacon—drug; logos—discourse in).It deals with interaction of exogenously administered chemical molecules (drugs) with living systems, and any chemical substance which can produce a biological response is a ‘drug.’It is divided into several branches like pharmacokinetics, pharmacodynamics, pharmacotherapeutics, chemotherapy and toxicology etc.Pharmacokinetics : (body does to a drug) the study of the absorption, distribution, metabolism and excretion of drugs, i.e. what the body does to the drugPharmacodynamics: (drug does to a body) the study of the effects of the drugs on the body…
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