Snot is mucus made up of mucin which is a protein, skin cells, water and inroganic salts. During illness it also traps and expels bacteria,and viruses and dead white cells. It provides a protective lubricating layer, and moisturizes the air we breathe, and prevents tissue from drying out.
What is snot? That is the question asked by lmarsh1203. Here is the link if you are interested. Naturally I'm not a doctor. However, not being a professional, or having any real knowledge of a subject, has never stopped me from answering a... read more