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
God Break Down the Door God Break Down the Door "God Break Down the Door" is a song by American industrial rock band Nine Inch Nails, from their ninth studio album "Bad Witch". It was released on May 17, 2018, coinciding with Trent Reznor's 53rd birthday. The song features Reznor playing the saxophone. "God Break Down the Door" was announced and released as the lead single and fourth track to "Bad Witch" on May 17, 2018. The song premiered on Zane Lowe's Beats 1 show on Apple Music. Reznor explained the song originated from his desire to "get his technique back" on playing the saxophone,