And we'll see what the gallbladder does in just a moment. So let's begin by discussing function number one. So the liver functions in macromolecule metabolism, so the metabolism of carbohydrates of fats and proteins. And this includes the synthesis of the breaking down of and a storage of these molecules inside our body. So let's begin with carbohydrate metabolism. So the liver is responsible for maintaining, for controlling the proper levels of glucose inside our blood plasma.