Interesting Facts About Our Body

by **Afra** 5th September 2010, 7:10 pm

Our brain is more complex than the most powerful computer and has over 100 billion nerve cells.

We give birth to 100 billion red cells every day.

When we touch something, we send a message to our brain at 124 mph.

We have over 600 muscles.

We exercise at least 30 muscles when we smile.

Our sense of touch is more refined than any device ever created.

We are about 70 percent water.

We make one liter of saliva a day.

Our nose is our personal air-conditioning system: it warms cold air, cools hot air and filters impurities.

Our heart beats around 100,000 times every day.

Our blood is on a 60,000-mile journey.

Our eyes can distinguish up to one million color surfaces and take in more information than the largest telescope known to man.

Our lungs inhale over two million liters of air every day, without even thinking. They are large enough to cover a tennis court.
Our hearing is so sensitive it can distinguish between hundreds of thousands of different sounds.

In one square inch of our hand we have nine feet of blood vessels, 600 pain sensors, 9000 nerve endings, 36 heat sensors and 75 pressure sensors.

From the age of thirty, humans gradually begin to shrink in size.

It’s impossible to sneeze with your eyes open.

An average human drinks about 16,000 gallons of water in a lifetime.

Beards are the fastest growing hairs on the human body. If the average man never trimmed his beard, it would grow to nearly 30 feet long in his lifetime.

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

Human teeth are almost as hard as rocks.

You burn more calories sleeping than you do watching T.V.

Our eyes never grow, and our nose and ears never stop growing.

On average people fear spiders more than they do death.