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Health
How Does The Salivary Glands Work In The Digestive System
Imagine that you eat lemon or other bitter fruit. Do you feel that your mouth full of saliva?
Facts About Tooth Decay and Cavities
The animals of the lower species are changing their teeth throughout life. When the teeth reach full development…
How Many Times Teeth Can Grow
The teeth in humans grow twice during life. The first teeth are called dairy, while others are permanent teeth.