Question

Vanessa and her friends are having lunch together. just as vanessa takes a drink of her chocolate milk, one of her friends tells a joke. laughing, vanessa has some of her milk come out of her nose. what is the explanation for this unusual event?

Answer 1

The laughter meddled with the development of the delicate sense of taste so it didn't close off the nasal cavity. 
For the vast majority, sustenance entering the nasal cavity when eating isn't a noteworthy issue. Maybe a couple, indeed, encounters the marvels of nourishment entering the nasal pit to any genuine degree as in the sustenance shapes an obstacle of wind current through the nose or the nose and mouth.