Biology of airways, lungs, epithelium, inflammation, mucus, and mucin glycoproteins. Opinions and views expressed are my own. โ๏ธ ๐ฌ ๐งฌ โฎ๏ธ ๐๐ปโโ๏ธ โท๏ธ ๐ ๐ ๐โโฌ ๐ชด