belly button, n.Trivia

Twins can be told apart by their navels since the navel is a scar with unique characteristics

Bellybuttons are so dirty scientists are finding new unknown bacteria. One person had bacterium previously found only on Japanese soil, where he had never been.

Alfred Hitchcock didn’t have a belly button. It was eliminated when he was sewn up after surgery.

Animals that lay eggs don't have bellybuttons

Animals that lay eggs don’t have belly buttons.