spit
Spit is a watery substance produced by the salivary glands in the mouth. It plays a crucial role in digestion by helping to break down food and making it easier to swallow. Saliva also contains enzymes that begin the digestion process and helps keep the mouth moist.
In addition to aiding digestion, spit helps protect the mouth and teeth from bacteria and infections. It contains antimicrobial properties that can neutralize harmful microorganisms. The production of saliva is stimulated by the sight, smell, or taste of food, making it an essential part of the eating process.