Obsessive nose picking is called Rhinotillexomania.
101
One human hair can support 3 ounces.
191
Your heart will pump about 212 million liters in its lifetime.
26
Enamel is hardest substance in the human body.
61
It takes approximately 12 hours for food to entirely digest.
93
The human brain doesn't stop developing until about 25 years old.
102