One human hair can support 3 ounces.
191
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
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Your thumb is about the same size as your nose.
124
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human body contains over a billion miles of DNA.
147
The average person's skin weighs twice as much as their brain.
131