About twenty-five percent of the population sneeze when they are exposed to light.
The brain represents about 2% of your total body weight. It is roughly 140mm wide, 167mm long and 93mm high
In a lifetime, an average human produces 10,000 gallons of saliva.
Even if you eat food standing on your head, the food will still end up in your stomach.
Every hour one billion cells in the body must be replaced.
There are 10 million bacteria at the place where you rest your hands at a desk.
Blood is such a good stain that Native Americans used it for paint.
Scientists have determined that having guilty feelings may actually damage your immune system
It is impossible to sneeze with your eyes open.
Pound for pound, your tongue is the strongest muscle in your body.