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Asked by umarhussain to Jack, Tom on 21 Mar 2013.
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Jack Heal answered on 21 Mar 2013:
Microbes are microscopic organisms – tiny living things that you can’t see without a microscope. Some of them, like bacteria, have only one cell. (We have a lot more than this – tens of trillions probably!)
We have microbes in our gut to help us digest food, and microbes also are involved in making beer. Yeast is a microbe and is used bread making.
Some can cause diseases though. MRSA is a microbe for example (another bacteria).
Basically, they’re very tiny, very important, sometimes good, sometimes bad. And they can be found pretty much everywhere!
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Tom Branson answered on 21 Mar 2013:
Yeah Jack is right, they are little organisms about 1 micrometre, which is a thousandth of a millitmetre!
Microbes are everywhere. There are 10,000 different types of microbes that live in and on every human body, so as you walk around you are carrying all these little guys with you. They help you digest food in your stomach and some also help us absorb vitamins. Pretty cool and weird.
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