Some common communicable diseases are cold, flu, chickenpox, measles, tuberculosis, cholera, dengue and typhoid. These spread through air, water or contact and are caused by bacteria, viruses or parasites. Class 8 Science Grade 8 Chapter 3 Health: The Ultimate Treasure question ...
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Such campaigns in my area include the Swachh Bharat Abhiyan. People were encouraged to build toilets and keep surroundings clean. This reduced diseases, especially among children and improved hygiene awareness in the community. Class 8 Science Curiosity Chapter 3 Health: The ...
Yes, the WHO is a global organization that works to keep people healthy. It provides health guidelines, supports vaccination, tracks diseases and helps countries fight health problems like COVID-19 and other outbreaks. class 8 science chapter 3 health the ultimate treasure ...
The body remembers the pathogen from the first attack and creates special memory cells. When the same germ attacks again, the immune system responds quickly and strongly, protecting the body more effectively. Class 8 Science Curiosity Textbook Chapter 3 Health – ...