Examples of chemical and enzymatic mediators in bodily fluids include:
- Sebum (skin)
- Oleic acid (skin)
- Saliva (digestive tract)
- Urine (urinary tract)
- Lactate (reproductive system)
- Cerumen (ears)
- Lysozyme and lactoferrin (tears in eyes; respiratory tract)
- Surfactant (respiratory tract)

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Chemical and enzymatic mediators found in bodily fluids act to inhibit or kill microbes, acting as layers of defense.

Chemical and Enzymatic Mediators Found in Body Fluids

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