Probably the most famous Hooverville was the one founded on Anacostia Flats, just outside Washington, D.C., in 1932. Thousands of World War I veterans, calling themselves the Bonus Army, had arrived in the nation's capital to demand early payment of a bonus they had been promised at the end of the war.
amphipatic compounds (both hydrophilic/hydrophobic) synthesized in liver & secreted by gallbladder into intestinal lumen to emulsify fats in the intestine bile salts gut hormone secreted by intestinal cells when stomach content enters the intestine; stimulates contraction of gallbladder, release of bile acids & secretion of pancreatic enzymes
Some vitamins are also synthesized by bacteria in the lower intestine, although their contribution to absorbed vitamins is not likely very large. Photo Credit roobcio/iStock/Getty Images.verview. Vitamins are essential molecules that must be taken in from the diet because the human body is incapable of synthesizing them. Water-soluble vitamins are absorbed in the upper small intestine.