How do saliva and lacrimal fluid repel pathogens, Biology

How do saliva and lacrimal fluid repel pathogens

Question: How do saliva and lacrimal fluid (tears) repel pathogens? Need Assignment Help?

Select one of the following

They produce antigens in response to pathogens
They contain kinins that engulf and destroy the bacteria
They are composed of white blood cells
They produce an enzyme that destroys bacteria

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Biology: How do saliva and lacrimal fluid repel pathogens

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