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Wednesday, November 27, 2013

Red Blood Cells


Red blood cells are made inside your bones. Each cell travels around the body about 250,000 times before it returns to the bone marrow to die.


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The eyebrow hair


An eyebrow hair lasts for only 10 weeks, whereas a hair can stay on your head for five years.


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If you never wear shoes


If you never wear shoes, the skin on the soles of your feet eventually thickens and hardens so that you can walk over sharp stones without hurting yourself.


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The acid in your Stomach


The acid in your stomach is so strong that it can dissolve steel razor blades - it's still not a good idea to eat them, though.


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What does the adrenaline ?


In an emergency, your body will produce a hormone called adrenaline that gives you superhuman strength.


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