To break down food by chewing it and as you are chewing the salivary glands produce a liquid called saliva which helps to break down the food.
Organ of digestion because it breaks down food mechanically by the action of the teeth and begins the digestion of starch through the enzyme amylase in the saliva.
To grind food in mouth and swallow it down to the gullet.
To assist in inhaling and exhaling
To chew
Th mouth is used to eat food
To kiss