It takes 17 muscles to smile, 43 to frown.
65
Fingernails grow nearly 4 times faster than toenails.
31
By the age of 60, most people have lost 50% of their taste buds.
17
Enamel is hardest substance in the human body.
61
Ingrown toenails are hereditary.
15
Smokers get ten times more wrinkles than non-smokers.
171
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
25% of your bones are located in your feet.
12