1) Your feet have more than 500,000 sweat glands and can produce more than a pint of sweat a day;
2) The air from a human sneeze can travel 100 miles per hour or more;
3) Fingernails grow fastest on the hand you write with, and on the longest fingers;
4) Your left lung is smaller than your right lung — to make room for your heart;
5) If every ounce of iron in your body was extracted, there would be enough to make a 3-inch long nail.
(Published December 5, 2014)
