Mucous — Secretion

: When you get an infection or suffer from allergies, your body kicks mucous secretion into overdrive to flush out the irritants.

: This layer physically blocks the acid and neutralizes it on contact, preventing ulcers and keeping your stomach intact. ⚠️ When Good Mucus Goes Bad mucous secretion

: When mucins are released by your cells, they absorb massive amounts of water. This transforms them into a protective, viscoelastic blanket. : When you get an infection or suffer

Your lungs and windpipe are constantly exposed to dust, bacteria, and pollutants. and pollutants. : Tiny

: Tiny, hair-like structures called cilia act like a microscopic escalator, waving the dirty mucus up and out of your lungs so you can swallow or cough it out. 2. The Gastrointestinal Tract