There are more than 40 million Americans that have “”chronic halitosis,”” which is bad breath that never goes away.

The human body makes anywhere from 1 to 3 pints of saliva every 24 hours.

One out of 20 people have an extra rib.

The average cough comes out of your mouth at 60 mph.

Relative to size, the strongest muscle in the body is the tongue.

Human thigh bones are stronger than concrete.

When you sneeze, all your bodily functions stop, even your heart.

Babies are born without knee caps. They don’t appear until the child reaches 2-6 years of age.

During a 24-hour period, the average human will breathe 23,040 times.

Human blood travels 60,000 miles per day on its journey through the body.

You were born with 300 bones. When you get to be an adult, you have 206.

In the average lifetime, a person will walk the equivalent of five times around the equator.

An average human scalp has 100,000 hairs.

Women blink nearly twice as much as men.

Blondes have more hair than dark-haired people.

There are 10 human body parts that are only three letters long (eye, hip, arm, leg, ear, toe, jaw, rib, lip and gum).

If you go blind in one eye you only lose about one-fifth of your vision but your entire sense of depth.

The average human head weighs about 8 pounds.

Your heart beats 101,000 times a day. During your lifetime it will beat about 3 billion times and pump about 800 million pints of blood.

A person remains conscious for 8 seconds after being decapitated.

It is impossible to sneeze and keep one’s eyes open at the same time.

55 percent of people yawn within 5 minutes of seeing someone else yawn.