Mucous | Secretion

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

: Cells in your airways secrete a thin layer of mucus to trap these particles. mucous secretion

Let's be honest: nobody likes talking about mucus. It is sticky, slimy, and usually associated with a terrible head cold or an upset stomach. But beneath its unappealing exterior lies one of the most brilliant biological security systems ever evolved. : When you get an infection or suffer

: 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 It is sticky, slimy, and usually associated with

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