The stomach excretes ________ to kill microorganisms and to activate enzymes that break down food. A) H₂CO₃ B) HBr C) KHCO₃ D) HCl E) HNO₃

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The stomach excretes hydrochloric acid (HCl) to kill microorganisms and activate enzymes that break down food. Hydrochloric acid creates an acidic environment in the stomach, with a pH of around 2, which helps to denature proteins and kill bacteria that may be present in the food.

The Stomach Excretes ________ to Kill Microorganisms and to Activate