1) The word "flower" contains two vowels: O and E.

2) The hibiscus flower is commonly associated with tropical regions and is the national flower of several countries, including Malaysia, South Korea, and Haiti.

3) The human body contains enough carbon to make over 9,000 pencils.

4) The Bank of England, established in 1694, is the central bank of the United Kingdom and one of the oldest central banks in the world.