A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Babies crawl an average of 200m a day.
212
On average a woman has 4 sexual partners in her lifetime.
-143
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
On average, there's 100 billion neurons in the human brain.
83
Early American humans hunted car-size armadillos and used their shells for houses.
12
The human brain doesn't stop developing until about 25 years old.
102