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 is made up of bile salts, electrolytes, bilirubin, cholesterol and other fats. The salts help stimulate the large intestine to secrete water, which helps move the contents of the digestive tract out of the body. Bilirubin is a waste product consisting of the remains of worn-out red blood cells.