Blog 5

There are two types of bacteria. Bacteria that is benificial to humans, and bacteria that is harmful to humans.
The benificial bacterias in humans are very important. They produce enzymes that help digest food, they produce vitamins, and out number bad bacterias which limit their growth.


Harmful bacteria to humans, such as Salmonella, can cause severe illness like typhoid fever.
Many other harmful bacteria are the cause behind human illnesses.