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
When I Start To (Break It All Down) an instinctive feeling sometimes. In this instance, "When I Start To (Break It All Down)" took over from "Save Me" because we thought the song had gone in the direction that sounded really good."" The song originally had the demo title "Tender", where it was loosely based on the Elvis Presley song "Love Me Tender". In the short film on the album, Clarke stated the track got ""mashed up into what it is now"", noting ""to me now it sounds like Tears for Fears."" Mute Records released a live video clip for the song as its official music video. This