One human hair can support 3 ounces.
191
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Chewing gum boosts your brain power.
285
Every year your body replaces 98% of your atoms.
119
The average person's skin weighs twice as much as their brain.
131
Enamel is hardest substance in the human body.
61