An adult esophagus can range from 10 to 14 inches in length and is one inch in diameter.

A woman has approximately 4.5 litres of blood in her body, while men have 5.6 litres.

The longest place-name still in use is: Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiakitnatahu, a New Zealand hill.

AMAZING FACTS