Mucus / Phlegm / Nasal Discharge

Scientific Name: Mucus

Order & Family: Biological secretion (Not an organism)

Size: Variable

Mucus / Phlegm / Nasal Discharge

Natural Habitat

Respiratory tracts of animals, including humans (nasal cavity, lungs)

Diet & Feeding

N/A (Not a living organism)

Behavior Patterns

Produced by mucous membranes; traps dust, pollen, and pathogens; expelled via coughing or blowing the nose.

Risks & Benefits

Benefit: Essential for immune defense and keeping airways moist. Risk: Excess production can indicate infection (cold, flu, sinus infection) or allergies.

Identified on: 3/8/2026