All navel oranges are clones of each other since they are produced from trees made from cuttings and graftings of previous navel orange trees; the original mutated tree that serves as the primogenitor of all navel orange trees is believed to have grown outside a 17th century Brazilian monastery.

The technical name for the sound of a rumbling stomach is “borborygmus”, the sound made by the movement of fluid and gas in the intestinal tract.