Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
A person can live without food for about a month, but only about a week without water.
156
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199