When food has been formed into the blood from the intestine it is carried to the liver where it is stored from the blood and breaks down certain carbohydrates are converted in to glycogen in the liver and Vitamin A is stored from substances in vegetables and blood proteins Glycogen iron and the Vitamins A D and B are synthesized in the liver to be available when needed by the body Bacteria and Worn-out red blood cells are destroyed and other toxic or harmful substances in food are detoxified by complex processes in the liver Urea a waste product of protein metabolism is absorbed in the liver Another important function of the liver is the secretion of a digestive juice known as bile which removed fats into smaller particle called fatty acids