Neural Control and CoordinationHard

Question

Which one of the following acts as a physiological barrier to the entry of microorganismain human body ?

Options

A.Tears
B.monocytes
C.Skin
D.Epithelium of urogential tract

Solution

Physiological barriers to the entry of microorganismas in human body are tears in eye,saliva in mouth and HCl in stomach. The enzyme lysozyme is found in tears and saliva andinhibits the synthesisor p-eptidoglycan presence in the cell wall of microorganismsespecially eubacteria.

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