During your whole lifetime, you will produce saliva that's able to fill 2 swimming pools.
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Facts About Humans!
عشوائيThis is a Non-Fiction book with over 25 facts about the Human Body. I've learnt these facts from a special guest (a scientist) that came to my school and I would like to share these facts with you!
8th Fact!
During your whole lifetime, you will produce saliva that's able to fill 2 swimming pools.
