Mucus occurs in both the respiratory and digestive tracts. What is its main immunological function?

Question

anonymous · Answer

http://www.funnelbrain.com/qc-21304-mucus-occurs-both-respiratory-digestive-tracts-its-main-imm.html respiratory - physically trapping pathogens

anonymous · Answer

mucous is the slimy liquid in the digestive tract in order to make slimy the food or bolus to easily digest it. it also protect the inner lining of digestive track. and in the respiratory system the mucus present in the nostrils in order to trap the dust particle and prevent them from entering into the lungs which may on entry in the lungs cause the serious damage to the lungs or diseases