الفهرس 
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Abstract
The liver is a vital organ of vertebrates and some other animals [1]. The liver has a wide range of functions, including detoxification of various endogenous and exogenous metabolites and the production of biochemicals necessary for digestion [2]. The liver is a gland major role in metabolism with numerous functions in the human body, including regulation of glycogen storage, decomposition of red blood cells, plasma protein synthesis, hormone production [2]. It is an accessory digestive gland and produces bile, an alkaline compound which aids in digestion via the emulsification of lipids. The liver’s highly specialized tissue consisting of mostly hepatocytes regulates a wide variety of high-volume biochemical reactions, including the synthesis and breakdown of small and complex molecules, many of which are necessary for normal vital function.