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What is snot made of?

Answer:
Snot (also known as 'bogies' or 'boogers') is simply nasal mucus. Mucus helps protect the lungs, nasal cavities and airways from bacteria and particulate matter by binding contaminants that would otherwise be inhaled, and keeps the airways moisturised.
First answer by White Hawk. Last edit by White Hawk. Contributor trust: 72 [recommend contributor recommended]. Question popularity: 0 [recommend question].