Question

How do the mouth, nose, throat, and lungs fight against pathogens?

Answer 1

Mucus is produced by the nose, lungs, and throat. Mucus traps pathogens and prevents the pathogen from getting into deep tissue.

Step-by-step explanation:

Answer 2

The mucus in our is used to help us fight pathogens, then we help get rid of the mucus and the pathogens by blowing our nose or coughing.