Diseases like malaria, dengue and chikungunya are spread by mosquitoes. These insects carry germs from sick people and infect others when they bite. Using nets and repellents helps stop these vector-borne diseases. Class 8 Science Grade 8 Chapter 3 Health: The ...
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Immunity is the body’s ability to fight harmful germs and diseases. It helps protect us from infections. A strong immune system keeps us healthy and prevents illnesses from spreading or becoming serious. Class 8 Science Curiosity Chapter 3 Health: The Ultimate ...
We should eat balanced meals, sleep well, exercise and stay clean. We must avoid junk food, too much screen time, skipping meals and smoking. Good habits help keep both body and mind healthy. class 8 science chapter 3 health the ultimate ...
Smallpox was stopped using the smallpox vaccine discovered by Edward Jenner. Vaccination protected people and stopped the virus from spreading. Yes, everyone should get vaccinated to protect themselves and others from deadly diseases. Class 8 Science Curiosity Textbook Chapter 3 Health ...
Animal cells come in various shapes and sizes because they perform different functions. Their structure adapts to tasks like contraction, signal transmission or nutrient absorption. Class 8 Science Curiosity Grade 8 Chapter 2 The Invisible Living World Beyond Our Naked Eye ...