There are about 1,400 different species of bacteria in your belly button.
10
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Your skin is actually an organ.
88
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
