Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
It takes approximately 12 hours for food to entirely digest.
93
A man's beard grows fastest when he anticipates sex.
239
The human brain uses approximately as much energy as a 10 watt light bulb.
120
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Gorillas can catch human colds and other illnesses.
205
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82