*Men lose about 40 hairs in a day and women lose 70 hairs in a day. *Your blood has same amount of salts in it as an ocean has. *You are taller in the morning than you are at night. *Heart circulates blood in your body about 1000 times each day. *Eyelashes last about 150 days. *There are 500 hairs in an eyebrow. *The average human body contains approximately 100 billion nerve cells. *It is not possible to sneeze with open eyes. *Bones are 4 times stronger than concrete. *Average life span of a taste bud is only 10 days. *You are born without knee caps and they don’t appear until age of 2 to 6 years. *Children grow faster in springtime. *Eyes stay the same size throughout life but nose and ears never stop growing. *We are born with 300 bones but end up with 206 bones when we are adult. *Human skull is made up of 26 different bones. *Hair is made of same substance as fingernails. *Our entire body functions stop when we sneeze, even your heart beat. *Tongue is the strongest muscle in human body. *Food takes 7 seconds to reach stomach from mouth. *Children have more taste buds than adults. *Sneeze blows air out of nose at the speed of 100 miles per hour. *Largest muscle in your body is one on which you are sitting on. *Smallest bone of body is in ears.