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Saliva is really beneficial when it comes to protecting your gums and other structures in your mouth.
Saliva is the fluid in your mouth that helps you in digesting food.
The Declaration • January 31, 2019 • https://thedeclarationatcoloniahigh.com/37077/fun-factofthe-day/during-your-life-time-on-average-you-will-produce-about-two-swimming-pools-of-saliva/
During your life time on average you will produce about two swimming pools of saliva.