Unpopular Myths about human saliva you do not know!

 Do you know that human saliva is bactericidal in nature, so it's capable of killing oral bacteria? 

Do you know it contains or also carries your blood group factors?  Shocking right? 

Do you know it also keeps the teeth and mouth clean, thereby preventing mouth odor, prevent the formation of dental caries?

It helps in speech making, have you noticed how unpleasant speaking can be when you are thirsty?

Do you know also know it is 99.5% of water?

More importantly, helps in the digestion of carbohydrates (cooked starch by enzyme amylase)

Do you that because of its pH, it helps to prevent the loss of calcium ions from the teeth?

It also helps in tasting because it dissolves molecules on the surface of the tongue which has taste buds on its surface.