• There are 230 joints in the human body.
  • The average human head weighs about eight pounds.
  • The kidneys filter over 400 gallons of blood each day.
  • J. Edgar Hoover wouldn’t let his drivers make left turns.
  • Penguins have an organ above their eyes that converts salt water to fresh water.
  • The metal band that connects the pencil eraser to the end of the pencil is called a Ferrule.
  • The little piece of cartilage that sticks out at the front side of your ear is called the Tragus.
  • The points of light that you see behind your eyelids when you shut your eyes really hard are called Phosphenes.
  • There are 104 stitches on a baseball.
  • A boomerang will return to the thrower even in space.
  • The top of the Empire State building was built to anchor blimps.