Have you ever realized that our mouth is positioned at the same physical level as our medulla oblongata? - "a small brain, in Latin, part of the brainstem which connects the brain to the spinal cord ? Without going into gruesome examples - if this connection is broken, life in the body will cease.
Just reminding not to rush to swallow - chew your food to the point of almost liquifying it, so that it can be further digested.
Chew your liquids. Mastication (chewing), if nothing else, is a great exercise for your face and its connective parts.
Here are my posts on the invaluable saliva Sore throat? Tooth Again... To Eat Or Not To Eat - That Is The Question Tooth Saved Again! Swollen Gums Be Gone!