Phlegm refers to a secretion by the mucus membranes in your respiratory tract and is necessary in order to keep the respiratory passages and the nasal cavity well lubricated. Phlegm moistens your nasa…
6 Natural Cure For Phlegm
A viscous liquid produced by the mucous membrane is called phlegm. Phlegm is like a gel, which has glycoproteins, immunoglobulins, lipids and various other substances. This composition varies based on…