General info about Human Body

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.
· 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 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.
· 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.
· 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.
Think About it!
From: izlamabad@yahoogroups.com On Behalf Of A B Malik

Eyes	Are the most complex organs you possess except for your brain.
Eyes	Are composed of more than two million working parts.
Eyes	Can process 36,000 bits of information every hour.
Eyes	Under the right conditions, can discern the light of a candle at a distance of 14 miles.
Eyes	Contribute towards 85% of your total knowledge.
Eyes	Utilize 65% of all the pathways to the brain.
Eyes	Can instantaneously set in motion hundreds of muscles and organs in your body.
Eyes	In a normal life-span, will bring you almost 24 million images of the world around you.
Eyes	The external muscles that move the eyes are the strongest muscles in the human body for the job that they have to do. They are 100 times more powerful than they need to be.
Eyes	The adult eyeball measures about 1 inch (2.5 cm) in diameter. Of its total surface area only one-sixth is exposed -- the front portion.
Eyes	The eye is the only part of the human body that can function at 100% ability at any moment, day or night, without rest. Your eyelids need rest, the external muscles of your eyes need rest, the lubrication of your eyes requires replenishment, but your eyes themselves "never" need rest. But please rest them!
Eyes	Eyes are your most precious sense... care for them properly!