A typical bed usually houses over 6 billion dust mites. See more

About 70 percent of your body weight is water. See more

Your muscles make up about one-half of your body weight. See more

Everyone has thirty-two teeth. See more

There are 206 bones in your skeleton. See more

An adult human heart weighs about 10 ounces and beats over 100,000 times a day See more

If you yelled for 8 years, 7 months and 6 days, you would have produced enough sound energy to heat one cup of coffee. See more

A cat's urine glows under a black light. See more

It is impossible for a human to lick their elbow. See more