Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The Caspian Sea is also classed as the world's largest lake.
52
On average, men's noses are 10% larger than women's.
12
A cauliflower that weighs almost 72.5kg has broken the world record by almost 3kg.
5
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13