大象传媒

An investigation is carried out by a microbiologist to find out what germs or microbes can be found on the surface of a hand. Trish has not washed her hands all day. She visits a hospital laboratory and a microbiologist to find out just how many germs (or microbes) there are on her hands. Microbes are small forms of life which are too small to see with the naked eye; but they can be seen under a microscope. There are a whole range of different types of microbes. One of these types is bacteria. There are different types of bacteria, and examples which have been magnified a thousand times are shown. Even clean hands carry millions of microbes, although not all of these are harmful. However, you should always wash your hands before eating.