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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.
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.
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.
24 sty 2023 · Viruses are types of germs that need to be in living cells to grow and reproduce. The place where viruses are found is called a host. A virus can survive in plants, animals and people. Some can also survive on objects. This is why washing your hands is so important!
19 paź 2023 · Viruses are tiny infectious agents that rely on living cells to multiply. They may use an animal, plant, or bacteria host to survive and reproduce. As such, there is some debate as to whether or not viruses should be considered living organisms.
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.
A virus is a very tiny type of germ. Viruses (say: VY-ruh-sez) can get inside the body and make a person sick. Viruses cause colds, chickenpox, measles, the flu, and many other illnesses. Antibiotics only work on bacteria, not viruses.
