It's Humidifier Season!

2015-11-14
Your sinus cavities, throat, and lungs are protected by a mucous membrane, which continuously secretes a protective layer of mucus. Inhaled a contaminants, such as cold germs and flu virus, attach to the mucus which drains down your throat and into your stomach, where they are chemically destroyed by the acid in your stomach.
To view the complete content, please log in.