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  2. Bile - Wikipedia

    en.wikipedia.org/wiki/Bile

    The most common cause of bile duct obstruction is when gallstone(s) are dislodged from the gallbladder into the cystic duct or common bile duct resulting in a blockage. A blockage of the gallbladder or cystic duct may cause cholecystitis. If the blockage is beyond the confluence of the pancreatic duct, this may cause gallstone pancreatitis.

  3. Human digestive system - Wikipedia

    en.wikipedia.org/wiki/Human_digestive_system

    Food fat is dispersed by the action of bile into smaller units called micelles. The breaking down into micelles creates a much larger surface area for the pancreatic enzyme, lipase to work on. Lipase digests the triglycerides which are broken down into two fatty acids and a monoglyceride. These are then absorbed by villi on the intestinal wall ...

  4. Gastrointestinal physiology - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_physiology

    Bile is secreted into the duodenum of the small intestine via the common bile duct. It is produced in liver cells and stored in the gall bladder until release during a meal. Bile is formed of three elements: bile salts, bilirubin and cholesterol. Bilirubin is a waste product of the breakdown of hemoglobin.

  5. Gastrointestinal tract - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_tract

    The digestive enzymes break down proteins, and bile emulsifies fats into micelles. The duodenum contains Brunner's glands which produce a mucus-rich alkaline secretion containing bicarbonate. These secretions, in combination with bicarbonate from the pancreas, neutralize the stomach acids contained in the chyme.

  6. Digestion - Wikipedia

    en.wikipedia.org/wiki/Digestion

    Digestion is separated into four steps: Ingestion: placing food into the mouth (entry of food in the digestive system), Mechanical and chemical breakdown: mastication and the mixing of the resulting bolus with water, acids, bile and enzymes in the stomach and intestine to break down complex chemical species into simple structures,

  7. Digestive enzyme - Wikipedia

    en.wikipedia.org/wiki/Digestive_enzyme

    Food consists of macromolecules of proteins, carbohydrates, and fats that need to be broken down chemically by digestive enzymes in the mouth, stomach, pancreas, and duodenum, before being able to be absorbed into the bloodstream. [1] Initial breakdown is achieved by chewing (mastication) and the use of digestive enzymes of saliva.

  8. Cutting food waste would lower emissions, but so far only one ...

    www.aol.com/cutting-food-waste-lower-emissions...

    Private interests subsequently invested significantly in an anaerobic digester, a facility used to convert food waste into biofuels, that could take in food diverted from landfills. But they had a ...

  9. Excretory system - Wikipedia

    en.wikipedia.org/wiki/Excretory_system

    Urea is filtered by the kidney into urine or through the gills in fish and tadpoles. Uric acid is paste-like and expelled as a semi-solid waste (the "white" in bird excrements). The liver also produces bile, and the body uses bile to break down fats into usable fats and unusable waste.