If you unfolded your brain, it would cover an ironing board.
42
One quarter of the human brain is used to control the eyes.
43
Your ribs move about 5 million times a year, every time you breathe!
60
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
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
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
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
There are about 1,400 different species of bacteria in your belly button.
10