The (6) gallbladder, a saclike structure on the inferior surface of the liver, serves as a storage areafor bile, which is produced by the liver. When bile is needed for digestion, the gallbladder releasesit into the duodenum through the (7) common bile duct. Bile is also drained from the liverthrough the (8) right hepatic duct and the (9) left hepatic duct. These two structures eventuallyform the hepatic duct. The (10) cystic duct of the gallbladder merges with the hepatic duct toform the common bile duct, which leads into the duodenum. Bile production is stimulated byhormone secretions, which are produced in the duodenum as soon as food enters the small intestine. Without bile, fat digestion is not possible.
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