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14amavanessa
The stomach is acidic (there is hydrochloric acid) to break down food but to also provide the optimum pH for the enzyme pepsin to work in.

Hope this helps!
12349cool
The stomach is like a Pond of strong acid. This environment is perfect and our stomachs an the protein an that allows our stomachs to breakdown the proteins into smaller protein pieces , which is the first thing that we do in our digesting system.