Gastric acid that it does not become too acidic. These cells also produce mucus, which forms a viscous physical barrier to prevent gastric acid from damaging the stomach. The pancreas further produces large amounts of bicarbonate and secretes bicarbonate through the pancreatic duct to the duodenum to completely neutralize any gastric acid that passes further down into the digestive tract. The main constituent of gastric acid is hydrochloric acid which is produced by parietal cells (also called oxyntic cells) in the gastric glands in the stomach. Its secretion is a complex and relatively energetically expensive process. Parietal cells contain an extensive secretory
Break Down (album) Break Down (album) Break Down is the second studio album by Mandopop boy group Super Junior-M. It was released online on January 7, 2013 by S.M. Entertainment and distributed by KMP Holdings. It is their first release in nearly 2 years, since the release of their 2011 EP, "Perfection", and their first studio album in nearly 5 years, since the release of their first 2008 studio album, "Me". After their second EP "Perfection" released in 2011, the Korean members returned to their activities as part of the main group, Super Junior. The main group released their 5th album "Mr. Simple"