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  • 2 years ago
I have created this cannel to share my knowledge with other
Transcript
00:00You are 1 cm taller in the morning because the cartilage between your bones gets stretched
00:08when you sleep.
00:10An average adult will secrete around 1 to 2 liters of saliva each day.
00:15You make and swallow 1 to 2 liters of saliva a day.

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