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involuntary muscle found in the walls of blood vessels, in digestive, respiratory, urinary and reproductive tracts, in the iris and ciliary muscles of the eye and in the skin.
drugs that are used to treat infections caused by bacteria. Many antibiotics are produced by...
bitter yellow or green alkaline fluid secreted by the liver, which serves to emulsify fats
can be broken down, in a reasonable amount of time, into its base compounds by micro-organisms...