FUN FACTS

• There are at least 10 times as many bacteria in the human body as cells.

• The average adult takes over 20,000 breaths a day.

• Each day, the kidneys process about 200 quarts (50 gallons) of blood to filter out about 2 quarts of waste and water

• Adults excrete about a quarter and a half (1.42 liters) of urine each day.

• The human brain contains about 100 billion nerve cells

• Water makes up more than 50 percent of the average adult's body weight

You use your eyes to see, your ears to hear and your muscles to do the heavy lifting. Well, sort of. In fact, most body parts are far more complicated than that, while some seem to have no business being inside there at all.