- If allowed to grow for their whole lifetime, the length of someone’s hair would be about 725 kilometres
- There are about 40,000 bacteria in your mouth.
- The human heart pumps 182 million litres of blood during the average lifetime.
- 50,000 cells in your body died and were replaced by new ones while you were reading this sentence.
- Not only human beings, but also koalas have unique finger prints.
