Amazing facts website


Amazing Facts archive


Entries Comments








saliva

  • 1.7 litres of saliva is produced each day. In Discovery Channel, it’s a quart

«
»

Write a comment





*
To prove you're a person (not a spam script), type the answer to the math equation shown in the picture. Click on the picture to hear an audio file of the equation.
Click to hear an audio file of the anti-spam equation