Research indicates that babies who suck on pacifiers are more prone to ear aches.
21
Fingernails grow nearly 4 times faster than toenails.
31
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Pain occurs when sounds are above 130 db.
123
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
There are 206 bones in the human body!
-17
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37