Salivary glands secrete their secretion called saliva in the mouth cavity, There are three pairs of salivary glands located in the mouth.
Functions of saliva:
(i) Saliva moisten the food thus help in chewing of food by the teeth.
(ii) Human saliva contains an enzyme called salivary amylase that converts starch into simple sugar.
(iii) Saliva also helps in swallowing and easy passage of chewed food through the food canal.