Assertion: mucus | /r/CreatedBy | sinus
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Dr. Luqman Seidu on WebMD says that mucus is produced by the tissue in the mouth, sinuses, nose, throat, gastrointestinal tract, and lungs.
text: Often mucus is produced in the sinuses, nasal cavities and other organs of the respiratory system as an allergic reaction to environmental elements--basically a mistaken reaction by the immune system.