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1 sty 2021 · A virus is a very tiny organism that can only live and reproduce inside another living cell. The cell the virus invades is called the host cell. The virus basically turns the cell into a factory to make more viruses which then invade more cells.
Viruses are very small particles that can infect animals and plants and make them sick. Viruses are made up of genetic materials like DNA and are protected by a coating of protein. Viruses hijack the cells of living organisms. They inject their genetic material right into the cell and take over.
The answer: It’s not a zombie or the living dead. It’s a virus. You have a complex set of systems, including your muscles, bones, brain, heart and lungs, which work together. A virus is merely a packet of DNA or RNA information.
7 maj 2020 · Educational video for children to learn what viruses are and how they spread. Viruses are microorganisms that are not visible in plain sight; we'd need a microscope to see them.
This lesson introduces children to viruses, explaining that they are tiny microorganisms that require a host to replicate and spread. It covers the basic structure of viruses, how they spread through various means, and the importance of vaccines in preparing the immune system to fight off infections.
Viruses are tiny particles that cause disease in people, other animals, and plants. Different viruses cause the common cold, influenza (flu), chicken pox, measles, AIDS, and many other diseases. Viruses are so tiny that people can see them only with powerful microscopes. Some viruses have a spherical, or round, shape.
What exactly is a virus, and why does it make you sick? Find out in this fun science video for kids, and an easy-to-follow explanation!
