Human hair and fingernails continue to grow after death.
7
Your thumb is about the same size as your nose.
124
Mushrooms are more closely related to humans than they are to plants.
47
Enamel is hardest substance in the human body.
61
A person can live without food for about a month, but only about a week without water.
156
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99