The average person's skin weighs twice as much as their brain.
131
By weight, Bone is five times stronger than steel.
417
Dieters who sleep more take off more fat that those who sleep less.
159
Sex burns about 360 calories per hour.
860
You burn more calories sleeping than you do watching television.
348
One human hair can support 3 ounces.
191
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19