Hydrochloric acid enzyme pepsin by self-cleavage. After leaving the stomach, the hydrochloric acid of the chyme is neutralized in the duodenum by sodium bicarbonate. The stomach itself is protected from the strong acid by the secretion of a thick mucus layer, and by secretin induced buffering with sodium bicarbonate. Heartburn or peptic ulcers can develop when these mechanisms fail. Drugs of the antihistaminic and proton pump inhibitor classes can inhibit the production of acid in the stomach, and antacids are used to neutralize excessive existing acid. Concentrated hydrochloric acid (fuming hydrochloric acid) forms acidic mists. Both the mist and the solution have
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