"Can that which is unsavoury be eaten without salt? or is there any taste in the white of an egg?"—Job vi.
995. Why is the nose placed over and near the mouth?
Because, as one of the chief duties of that organ is to exercise a watchfulness over the purity of the substances we eat and drink, it is placed in that position which enables it to discharge that duty with the greatest readiness.
CHAPTER L.
Because the tongue is endowed with gustatory nerves, having the function of taste as their special sense, just as the optic, the auditory, and the olfactory nerves, have their special duties in the eyes, ears, and nose.
997. Why do some substances taste sweet, others sour, others salt, &c.?