The average person's skin weighs twice as much as their brain.
131
You can't tickle yourself.
29
The human eye blinks an average of 4,200,000 times a year.
233
We share 70% of our DNA with a slug.
218
The world's shortest man measures only 21.5 inches.
73
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
It takes approximately 12 hours for food to entirely digest.
93