Gastric acid Gastric acid Gastric acid, gastric juice or stomach acid, is a digestive fluid formed in the stomach and is composed of hydrochloric acid (HCl), potassium chloride (KCl) and sodium chloride (NaCl). The acid plays a key role in digestion of proteins, by activating digestive enzymes, and making ingested proteins unravel so that digestive enzymes break down the long chains of amino acids. Gastric acid is produced by cells in the lining of the stomach, which are coupled in feedback systems to increase acid production when needed. Other cells in the stomach produce bicarbonate, a base, to buffer the fluid, ensuring
God Break Down the Door which he had sporadically played for 20 years. In addition to the saxophone, the song prominently features what is described as a "frantic drumbeat", and has been described by critics as jazz fusion, electro-jazz, and trip hop. Reznor described the writing of the song, stating "Pitchfork" named the song "Best New Track", comparing it to the works of "Outside"-era David Bowie, stating "While the reference points are immediately obvious, the impact of "God Break Down the Door" is in just how different it sounds for Reznor. And it's not only his voice. There's a new energy in the arrangement: a