saliva softens the food so it is eazier for you to break down into small peices
It doesn't change but the quantity of certain enzymes might change.
saliva
Your mouth doesn't do anything to the food, it's the saliva and teeth in your mouth that does. Your saliva breaks down the food while you use your teeth to chew it up.
Carbohydrates from your food begin to get converted into sugars in your mouth. Ptylin is the enzyme form your saliva does the same job.
Saliva
saliva
saliva squrited in your mouth when you chew.
Saliva contains an enzyme called salivary amylase which acts upon the food and breaks it into simpler substances for better digestion.
Saliva
Saliva
saliva
Saliva in the mouth makes it easier for food to be swallowed and digested.
Saliva which is mostly water (99.5%), but also includes electrolytes, mucus, antibacterial compounds, and various enzymes.