INTERESTING FACTS ABOUT BACTERIA :

1. Typically there are between 10,000 and 10 million bacteria on each hand.

2. Bacteria have flourished on earth for over three billion years. They were here first, long before any of those adorable reptiles. 

3. There are approximately ten times as many bacterial cells on humans as there are human cells in the body, with large numbers of bacteria on the skin and as gut flora.

4. Some types of bacteria can cause diseases and become harmful to the environment whilst other types others offer benefits

5. Bacteria were first observed by ANTONIE VAN LEEUWENHOEK in 1676, using a single-lens microscope of his own design.