Tapping On the Miracle

She was reading an article and ran across some astonishing facts about the human body: 

   - There are 45 miles of nerves in the skin of a human body.
   - The DNA helix measures 80 billionths of an inch wide.
   - A single human blood cell only takes 60 seconds to make a complete circuit around the body.
    - Humans shed and regrow outer skin cells about every 27 days---almost 1000 new skins in a lifetime.