Biology

Mouth-watering Aquatics


In your lifetime you will produce enough saliva to fill two swimming pools.

An average human produces between 1 to 2 liters of saliva each day, which is a maximum of 730 liters per year.

The average life expectancy is just over 70 years, which gives a maximum of 51,100 liters of saliva produced in an average lifetime.


Read more fun facts about the human body.

Read more fun facts about measurements.

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