Final answer:
Olestra is an artificial fat. Fat-digesting enzymes, mainly pancreatic lipase, are produced by the pancreas, and bile from the liver assists in lipid digestion by emulsifying fats.
Step-by-step explanation:
Olestra is an example of artificial fat. It is not a substance naturally occurring in the body, nor is it an enzyme secreted by the liver or small intestine, nor an artificial sugar. The enzymes that digest fats are mostly produced by the pancreas and released into the small intestine. Specifically, pancreatic lipase is the enzyme that breaks down fats after they are emulsified by bile salts. Bile, produced by the liver and stored in the gallbladder, assists in lipid digestion by emulsifying fats, allowing for greater access by pancreatic lipase in the small intestine.