Your thumb is about the same size as your nose.
124
Your heart will pump about 212 million liters in its lifetime.
26
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
One human hair can support 3 ounces.
191
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59