The largest internal organ in the body is the liver. This vital organ plays a crucial role in various metabolic processes, including the detoxification of harmful substances, the production of bile to aid in digestion, and the regulation of blood sugar levels. The liver also synthesizes proteins essential for blood clotting and maintains a balance of nutrients in the bloodstream. In adults, the liver weighs approximately 3 pounds and has a remarkable ability to regenerate itself. Maintaining liver health is critical since it performs essential functions necessary for overall well-being.