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 (album) in Jiangsu, China, and revealed for the first time the teaser for their new lead single "Break Down". The lead single of the album, "Break Down", is described as an upbeat pop dance song, mixed with elements of dubstep and synth sounds. The song is produced and composed by Australian team Twice As Nice (consisting of Nick Audino & Lewis Hughes), Martin Mulholland and Nermin Harambasic from Dsign Music, while the lyrics are written by Zhou Weijie. It is a song about a man who can no longer hide his love for a woman, expressing his feelings to her. Nick