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Chemical Barriers Stomach Acid Mucus Tears Enzyme Lysozome

Three chemical barriers are stomach acid, mucus, and tears, which contain the enzyme lysozyme.

Tres barreras químicas son el ácido estomacal, el moco y las lágrimas, que contienen la enzima lisozima.

Front What are three chemical barriers?
Back Stomach acid, mucus, and tears, which contain the enzyme lysozome.

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