There are about 1,400 different species of bacteria in your belly button.
10
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
You see your nose at all times, your brain just chooses to ignore it.
30
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193