Microorganisms

We often hear our loved ones asking us to wash our hands thoroughly, before having any meal, or when we come home from outside. But why is that so? Well, the aim is to wash off microorganisms also known as microbes. What are microorganisms by the way? They are tiny organisms that cannot be seen with naked eyes. So are all microorganisms bad for us? The answer is no! Some of them are friendly and help us in many ways, while some are hazardous. Let’s learn about these tiny beings in detail.