[sanilss]

AMAZING FACTS ABOUT THE HUMAN BODY

Our heart beats around 100,000 times a day.
Our blood is on a 60,000 mile journey.
Our eyes can distinguish up to one million colour surfaces and take in more information than the largest telescope known to man.
Our lungs inhales over 2,000,000 litres of air every day, without even thinking. They are large enough to cover a tennis court.
Our hearing is so sensitive that it can distingush between hundreds of different sounds.
Our sense of touch is more refined than any device ever created.
Our brain is more complex than the most powerful computer and has over 100 billion nerve cells. We give birth to 100 billion red blood cells every day.
When we touch something, we send a message to our brain at 124mph.
We have over 600 muscles. By walking, we exercise over 250 muscles.
We exercise over 30 muscles when we smile.
We are about 70% water.
We make one litre of saliva every day.
Our nose is our personal air conditioning system; it warms cold air, cools hot air and filters impurities.
In one square inch of our hand we have nine feet of blood vessels, 600 pain sensors, 30 hairs, 13 yards of nerves, 9,000 nerve endings 36 heat sensors and 75 pressure sensors.
We have copper, zinc, cobalt, calcium, magnesium, phosphates, nickel and silicon in our bodies.