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
The human brain is more active during sleep than during the day.
28
The human body contains over a billion miles of DNA.
147
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
One human hair can support 3 ounces.
191
A man's beard grows fastest when he anticipates sex.
239
Your heart will pump about 212 million liters in its lifetime.
26
Your thumb is about the same size as your nose.
124