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Answer: The food we eat is broken down in the stomach by the enzyme pepsin and other digestive juices. The acid in our stomach is important because it helps us to digest our food. It also kills bacteria that may be present in our food.
The acid in our stomach is called hydrochloric acid (HCl). It has a pH of approximately 1, which means that it is extremely acidic.
The role of this acid is to break down proteins in the food we eat into smaller pieces so that they can be absorbed into the bloodstream for use as building blocks for body tissues and muscles. Hydrochloric acid also breaks down fat molecules into smaller ones so that they can be absorbed into the bloodstream for use as energy sources for cells throughout the body.
