We can’t Taste food without saliva.

To Taste the food, chemicals from the food must first dissolve in saliva. Once dissolved, the chemicals can be detected by receptors on taste buds. That way Tongue recognizes the taste of the food you are eating.

Saliva is a liquid that secrets inside our mouth and plays an important role in our food digestion, and is not only found in human’s mouth

but in animal’s mouth too.

It secrets from salivary gland, contains 99.5% of water and other essential compounds like enzymes that is very important to initiate

digestion process.

Let’s take a look; What else saliva does?

It helps breaking starch and fats.

Protects teeth from bacterial infection.

It works as a lubricant for swallowing.

Protects mucus surfaces inside mouth.

Some birds use their saliva to build their nest and some reptiles use it for injecting their venoms.

To know more about it please Wiki