
Mucus
Body Defense
Mucus serves as a protective barrier against dirt and germs in respiratory pathways.
During allergy season, my nasal passages produce more mucus to trap pollen.
Color Indicators
The color of mucus can indicate health status; clear is normal, yellow or green may suggest infection.
The doctor asked about the color of my mucus to check for signs of infection.
Context Matters
While 'mucus' is a medical term, it's commonly used in everyday language when discussing illness.
I've been coughing up a lot of mucus; I think I'm getting a cold.