The liver is one of the most important organs in the body. It serves a variety of functions, many of which are related to its value to a person’s overall health. The right upper abdomen contains a reddish-brown organ. It plays a role in digestion and metabolic activities. The liver’s ability to assimilate nutrition, regulate energy, and cleanse renders it indispensable. The Role Of The Liver In Digestion and metabolism will be discussed in further detail further below.