Gorillas can catch human colds and other illnesses.
205
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Your heart will pump about 212 million liters in its lifetime.
26
A man's beard grows fastest when he anticipates sex.
239
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
On average, there's 100 billion neurons in the human brain.
83