الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Exposure to toxic substances can affect the body in many ways. In general, when chemicals and other toxic substances are absorbed, they travel through the various body systems and can affect a particular organs, called the target organs. The body has mechanisms, mainly in the liver and kidneys, to process and eliminate many of these substances. The elimination of toxic substances is just one of the many functions of the liver and kidneys. So liver and kidney diseases affect on elimination of these toxic substances.