Pain occurs when sounds are above 130 db.
124
Your heart will pump about 212 million liters in its lifetime.
26
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
One human hair can support 3 ounces.
191
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99