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 (EP) Imported Album category for the first week of July. The album's title track "Break Down" was the first-place winner for two consecutive weeks on Mnet's M! Countdown music show, for 16 and 23 June 2011; and also won for two consecutive weeks on KBS's Music Bank. It is also certified platinum in Taiwan and Kim was presented with a platinum record by Warner Music Taiwan CEO Chen Ze Shan in a press conference held in Taiwan. Break Down (EP) Break Down is the debut Korean solo mini album of Kim Hyun-joong of South Korean boy band SS501. It was released