What is the digestive enzyme that acts within the stomach? Which type of food does it digest? What are the cells that produce that enzyme?

What is the digestive enzyme that acts within the stomach? Which type of food does it digest? What are the cells that produce that enzyme?
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The digestive enzyme that acts in the stomach is pepsin. Pepsin has the function of breaking proteins into smaller peptides. The gastric cells that produce pepsinogen (the zymogen precursor of pepsin) are the chief cells. Digestion System - Image Diversity: chief cells
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