Gastric acid network (called canaliculi) from which the hydrochloric acid is secreted into the lumen of the stomach. The pH of gastric acid is 1.5 to 3.5 in the human stomach lumen, the acidity being maintained by the proton pump H/K ATPase. The parietal cell releases bicarbonate into the bloodstream in the process, which causes a temporary rise of pH in the blood, known as an alkaline tide. The highly acidic environment in the stomach lumen causes proteins from food to lose their characteristic folded structure (or denature). This exposes the protein's peptide bonds. The gastric chief cells of the stomach secrete
Break Down Here Break Down Here "Break Down Here" is a debut song written by Jess Brown and Patrick Jason Matthews, and recorded by American country music singer Julie Roberts. It was released in February 2004 as the lead-off single from her self-titled debut album that was released on May 24, 2004, via Mercury Nashville. The song debuted in February 2004 and peaked at number 18 on the country music charts. Its b-side was a cover of Suzy Bogguss's "No Way Out", from her 1996 album "Give Me Some Wheels". The song was originally recorded as "I'd Sure Hate to Break Down Here"