Yes! Bile salts are produced in the liver, stored in the gall bladder and secreted in the small intestine's duodenum. Because they emulsify fats, they are often thought of as digestion's detergent.
emulsification is the process of suspending fat/oil in water. it is a known fact that the mentioned substances don't mix because of their chemical nature, lipophilic and hydropihilic... certain...