Educational video for children to learn what microorganisms are and what types of microorganisms there are. When were microorganisms discovered? How do we observe them? Did you know that we classify them into three types? Bacteria are prokaryotic cells and have no nucleus. Viruses are not living beings, they are much smaller and some of them cause diseases like flu or chickenpox. Some fungi are microorganisms bigger than bacteria or viruses, they can be found in the air, in plants or in the water. In this video, children will learn how to distinguish between viruses and bacteria. They're both called pathogens and cause diseases that spread very easily through the so called vectors.

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