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What is the Role of Acid in our stomach ?


The stomach has Hydrochloric acid present in it. This acid plays two important roles :

  1. It activates Pepsin , the protein digesting enzyme. Due to HCl, this enzyme can work at its optimum pH level , thus digesting proteins.
  2. HCl kills any bacteria that enter the stomach with the food, which protects from infection.

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CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo