Question

why does your saliva gets warm when you bite your tongue

Answer 1

Answer:

Saliva has natural healing properties in it. This is why it is instinct for us suck on a burned finger or a cut. Your body must be reacting to the pain and/or wound in your mouth my creating more saliva.

Explanation:

Answer 2

saliva gets warm because it’s purpose is to moisturize and heal the body.