In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
One human hair can support 3 ounces.
191
Enamel is hardest substance in the human body.
61
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82