Which Secretion Is Not A Barrier That Prevents Pathogens From Entering The Body

Which Secretion Is Not A Barrier That Prevents Pathogens From Entering The Body. Which secretion is not a barrier that prevents pathogens from entering the body? Various secretions in different organ systems also. Thus, instead of pollutants being diluted through twelve miles of atmosphere, they may be held within several hundred feet of the ground. […]