What are the functions of saliva and enzymes in the mouth?

The tongue is a very sensitive organ and is kept moist by saliva, and it is richly supplied with nerves and blood vessels to help it move. Saliva is being produced throughout the day and night. The tongue is continuously at work distributing saliva throughout the mouth. Saliva is produced in the salivary glands. Human saliva is made up of 98% water, but it also contains many important substances, including electrolytes, mucus, antibacterial compounds and various enzymes.

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