Answer to Question 1
Functions of saliva include: (1) moistening and lubricating food to facilitate swallowing; (2) initiating digestion of carbohydrate; (3) providing antibacterial protection with lysozyme; (4) enhancing taste; (5) serving as a buffer; (6) promoting oral hygiene by dissolving food, dead cells, and foreign substances; and (7) assisting speech by allowing free movement of the lips and tongue.
Answer to Question 2
False