Which of the following is a physiological bar | vedclass

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(B) Physiological barriers in the human body prevent the entry of microorganisms by creating an environment that is hostile to them.$1$. Skin is a phy

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Tears

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(B) Physiological barriers in the human body prevent the entry of microorganisms by creating an environment that is hostile to them.$1$. Skin is a physical barrier.$2$. Tears (from eyes) and saliva (in the mouth) contain lysozyme and act as physiological barriers.$3$. The acid in the stomach is also a physiological barrier.$4$. Monocytes are cells involved in cellular barriers.Therefore,among the given options,tears act as a physiological barrier.

Which of the following is a physiological barrier that prevents the entry of microorganisms into the human body?

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