Fingernails grow nearly 4 times faster than toenails.
31
Enamel is hardest substance in the human body.
61
The lifespan of a tastebud is ten days.
130
Obsessive nose picking is called Rhinotillexomania.
101
25% of your bones are located in your feet.
12
You can alleviate a tickly throat by scratching your ear.
9
There are about 1,400 different species of bacteria in your belly button.
10
The heart pumps about 1 million barrels of blood during an average lifetime!
30