This resource begins with a general description of essay writing and moves to a discussion of common essay genres students may encounter across the curriculum. The four genres of essays (description, narration, exposition, and argumentation) are common paper assignments you may encounter in your writing classes.
Antiseptics are mainly used to reduce levels of microorganisms on the skin and mucous membranes. The skin and mucous membranes of the mouth, nose, and vagina are home to a large number of what are usually harmless micro-organisms.
An antihistamine is a type of drug used to fight allergic reactions. It encompasses a broad class of drugs that can treat conditions ranging from minor to life threatening. Different ones are used for different types of reactions, but at their root, all do the same thing â they counteract a type of chemical released by the body's immune system, known as histamine.