Some microbes, like harmful bacteria and viruses, enter the body and multiply, causing infections. They disturb normal body functions, leading to diseases like flu, diarrhea or skin infections. These microbes can spread through water, air or contact.
Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science NCERT solutions
Class 8 Science Curiosity Grade 8 Chapter 1 Exploring the Investigative World of Science question answer
While many microbes are helpful, some cause infections. Harmful bacteria and viruses can enter the body through air, water or touch and reproduce inside, damaging tissues and making us sick. Infections like flu, food poisoning or skin problems are caused by these microbes. Understanding how they work helps us take steps to prevent illness, such as maintaining hygiene, getting vaccinations and using medicines when needed. Microbes can be both friends and foes in human life.
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