If you are cold you are more likely to be hungry because you use energy to keep warm.
144
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The human brain uses approximately as much energy as a 10 watt light bulb.
120
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
A person can live without food for about a month, but only about a week without water.
156