| A cough is a reflex action to clear the airways of mucus, phlegm, irritants or a foreign body. |
| He breathed heavily through his nose and accidentally shot a stream of liquid mucus onto the table. |
| Many other gastropods use mucus to attach to the substratum with varying degrees of adhesive strength. |
| The eustachian tube also allows for drainage of mucus from the middle ear into the throat. |
| This, in turn, was pressing on his lymph gland which controls the flow of mucus in the nose. |
| A healthy colon with adequate mucus production and appropriate bacterial colonization prevents the adherence of pathogenic bacteria. |
