It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
One human hair can support 3 ounces.
191
A person can live without food for about a month, but only about a week without water.
156
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
You see your nose at all times, your brain just chooses to ignore it.
30
The average sperm cell swims at 8 inches per hour.
76
Your body is creating and killing about 2.4 million red blood cells per second.
17