Liver is the largest gland in human body. It is also the largest (internal) organ in our body and can weigh up to 1.5-1.6 kg for a human adult. That is, about 1/50th of the body weight is because of liver.
About to six hours after you eat the glucose levels in your blood decrease triggering your pancreas to produce glucagon. This hormone signals. your liver and muscle cells to change the stored glycogen back into glucose.