It closes off the nasopharynx during swallowing in order to prevent food and liquids from entering the nose.
It closes the nasal pharynx when food is swallowed.
The function of the Uvula is to not only start the gagging reflex in the event of an emergency (i.e chocking or other airway obstruction) but to also help fight infection. Of course your tonsils also...
The Uvula helps with the gag reflex
prevent choking and food from entering the nasal passage
Yes you can determine the function of a function Key. You must access the registry and make the change.