The liver is one of the largest organs in the body. It has many important metabolic functions. It converts the nutrients in our diets into substances that the body can use, stores these substances, and supplies cells with them when needed. It also takes up toxic substances and converts them into harmless substances or makes sure they are released from the body. The human adult liver weighs about 1.4 kg (3.1 pounds) and is found in the right upper abdomen, below the diaphragm. It takes up most...