One out of 20 people have an extra rib.
66
The human heart creates enough pressure to squirt blood 30 ft.
37
Obsessive nose picking is called Rhinotillexomania.
101
Pain occurs when sounds are above 130 db.
124
You inhale about 700,000 of your own skin flakes each day.
29
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202
Men get hiccups more often than women.
93
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18