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Results 1 - 1 of 1 for Hydrochloric acid
  1. Heartburn Video 
    ... effective. That’s how heartburn begins. The stomach produces hydrochloric acid to digest food. The stomach has a mucous lining that protects it from hydrochloric acid, but the esophagus does not. So, when food ...
    https://medlineplus.gov/ency/anatomyvideos/000068.htm -