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- 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
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