smell Can detect at least 10,000 different odors

Bellringer: What is an ENT specialist? Why are these three structures grouped together into one specialty?

Snot noun 1. Vulgar. mucus from the nose. 2. Informal. a disrespectful or supercilious person. Origin: 1350–1400

Mucus Viscous colloid Mixture of glycoproteins and water Produced by mucus glands Also contains lysogenic enzymes and inorganic salts

Role of Mucus: Protection Nasal hairs trap bacteria, viruses, dust, pollen, fungal spores, etc (why?) Mucus transports it out via nose or stomach

Naturally boosting your immunity?

Role of mucus: aiding with smell Chemoreceptor

Also… Readily absorbed into mucus membranes

Signs of Health Normal: clear, 1L per day Cold: inflammation reaction to virus in MM – more blood channeled to area, congestion. Still clear Bacterial infection: formation of pus: dead tissue, bacteria, and white blood cells. Yellow or green = seek treatment for antibiotic

Nasal Sprays

Article How do nasal sprays work as a decongestant? How common is nasal spray abused? Why is it abused? What are the effects of abusing nasal sprays? Why does rhinitis medicamentosa “fly under the radar”?