Sternu... what? Sternutation is a scientific phrase for the act of sneezing. When something tickles the nose lining, the nerves located there send a signal to the brain, which initiates a chain of messages to other parts of the body that work together to expel the irritant.
We all know that everyone sneezes differently, but have we ever considered why? For being such a common, everyday occurrence, that little expulsion of air is actually a complex process involving more nuances than many of us realize.
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