There are about 255 babies born worldwide every minute.
46
Yawns are more contagious among people with closer relationships.
163
It takes about 20 seconds for a red blood cell to circle the whole body.
102
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
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
A man's beard grows fastest when he anticipates sex.
239