To which type of barriers under innate immunity, do the saliva in the mouth and the tears the eyes, belong?

To which type of barriers under innate immunity, do the saliva in the mouth and the tears from the eyes, belong?

To which type of barriers under innate immunity, do the saliva in the mouth and the tears from the eyes, belong?

To which type of barriers under innate immunity, to the saliva in the mouth and the tears from the eyes, belong?

To which type of barriers under innate immunity do saliva in mouth and tears from eyes belong?

What type of barriers under innate immunity are the saliva and the tears ?

To which type of barrier under innate immunity od salive in mouth and tears from eyse belong

Two which type of barriers under innate immunity do fever and pH of body belong.