May require a bachelor's degree in engineering and 0-3 years of experience in the field or in a related area. Has knowledge of commonly-used concepts, practices, and procedures within a particular field. Relies on instructions and pre-established guidelines to perform the functions of the job.
1 Bile contains bile acids, which are critical for digestion and absorption of fats and fat-soluble vitamins in the small intestine. 2  Many waste products, including bilirubin, are eliminated from the body by secretion into bile and elimination in feces.
Bile as a secretory and excretory fluid. Bile, a fluid secreted by the liver into the intestine in vertebrates, is both a digestive and an excretory fluid. As a digestive fluid, bile contains bile acids, potent digestive surfactants that promote lipid absorption.