Saliva (spit) is a bodily fluid that has several important functions. For example, it kickstarts digestion, helps you chew and swallow food, and protects your teeth. These glands make saliva (spit) and empty it into the mouth through openings called ducts.

Saliva also keeps … Saliva (commonly referred to as spit, drool or slobber) is an extracellular fluid produced and secreted by salivary glands in the mouth.