The viscous, slippery substance that consists chiefly of mucin (glycoproteins), water, cells, and inorganic salts and is secreted as a protective lubricant coating by cells and glands of the mucous membranes.
Well Glycoproteins are from carbohydrates combining with proteins. This combo then sucks up water like it’s nobody’s business. Albumin, a glycoprotein, is what makes egg whites, well, slicker than snot.