The average person can live for eleven days without water, assuming an average temperature of 60 degrees fahrenheit.
15
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
The tongue is the strongest muscle in the human body.
50
The average person has over 1,460 dreams a year!
69
Men have larger hearts; women's hearts beat faster.
77
When your face blushes, the lining of your stomach turns red, too.
154
Common pesticides such as roach, termite, and flea insecticide can be found in the bodies of the majority of Americans.
11
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99