The stomach excretes to kill microorganisms and to activate enzymes that break down food.

The stomach excretes Hcl (hydrochloric acid) to kill microorganisms and to activate enzymes that break down food.  This implies the correct answer is hydrochloric acid

One of the main functions of the stomach is preliminary digestion and also helps to destroy any pathogen that may be consumed.  

The stomach environment is very acidic and its PH ranges from 1.5 to 3.5. it  is a sac that looks like a bean and it is situated close to the lower ribs.  

Hydrochloric acid is also called stomach acid and it is the only acid that our body can generate.

However, one of the significant components of stomach acid is hydrochloric acid. Hydrochloric acid constitutes about 0.5 percent of all total acid in the stomach.

Apart from the HCl, other acids present in the stomach include:

The major function of hydrochloric acid in the stomach is to assist in breaking down food, help in food digestion and also help the body to get essential nutrients such as protein.

Hydrochloric acid also helps to eliminate foreign microorganisms and helps the body to prevent infection.

Therefore, the stomach excretes HCL (hydrochloric acid) to kill microorganisms and to activate enzymes that break down food.

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