The biliary system's main function includes the following:
Bile is the greenish-yellow fluid
(made of waste products, cholesterol, and bile salts) that is secreted by the liver
cells to do these 2 main functions:
Bile salt is the actual component that helps break down and absorb fats. Bile, which is excreted from the body in the form of feces, is what gives feces its dark brown color.