Question

what is saliva and it's role?

Answer 1

Saliva :-

→It is the watery type substance in mouth.

→In saliva of human , there is 95% of water , and rest contains few enzymes and electrolytes.

→It is Alkaline in nature.
It's role :-

→It helps in lubrication of food.

→It helps in partial digestion of food by making bolus.

→It helps in maintaining the pH of the Mouth.

Answer 2

Answer:

Produced in salivary glands, saliva is 98% water, but it contains many important substances, including electrolytes, mucus, antibacterial compounds and various enzymes. The digestive functions of saliva include moistening food, and helping to create a food bolus, so it can be swallowed easily.