Science

How many liters of saliva does an adult produce per day?

1 to 1.5

Background

An adult makes about one and a half liters of saliva every day. That is roughly the size of a big bottle. Saliva protects the teeth and helps with digestion. Over a whole life it adds up to a small bathtub full.

More Science questions

How many bones are in the human body?

See question

How many layers does the Earth’s atmosphere have?

See question

How many chromosomes do humans have?

See question

How many moons does Mars have?

See question

How many teeth does an adult human typically have?

See question

How many electrons are in a neutral helium atom?

See question

Ready to estimate?

Over 1,200 questions, 9 categories, one click.