Question

define saliva and role of The Saliva ?

Answer 1

it is the watery fluid or chemical secreted by salivary gland in composition about 90 to 99% of water and the 1 percent of sugar present in the saliva . functionally it is responsible for softication of food and mastication of food as well as due to its aleline nature . it is also responsible for nutrilization of food and its PH value 6.8 to 7.2 ........

Answer 2

Ur answer
Medical Definition of Saliva. Saliva: a watery secretion in the mouth produced by the salivary glands that aids in the digestion of food. Salivaalso serves to moisten and cleanse the mouth, including the tongue and teeth, and contains substances that can play a role in the prevention of infection. ... Also known as spit