If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Your body is creating and killing about 2.4 million red blood cells per second.
17
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
A human being loses an average of 40 to 100 strands of hair a day.
133
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89