I’d kindly tell my uncle, “You’re very important to us. Smoking can seriously harm your health.” I’d suggest healthier ways to manage stress or socialize and encourage him to quit for his own well-being. Class 8 NCERT Science Curiosity Chapter 3 ...
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Vectors are animals or insects that carry disease-causing pathogens and spread them to humans. Mosquitoes, flies and ticks are common vectors. For example, mosquitoes spread malaria and dengue by biting people. Class 8 NCERT Science Curiosity Chapter 3 Health: The Ultimate ...
Pathogens spread through air (cough or sneeze), water (contaminated drinking), food, insect bites, direct contact or touching infected objects. Sharing personal items or living in unclean surroundings also increases the risk of infection. Class 8 NCERT Science Curiosity Chapter 3 Health: ...
Communicable diseases spread through harmful microbes called pathogens—bacteria, viruses, fungi or protozoa. These pathogens enter our body through air, water, food or contact and cause illnesses like cold, flu, typhoid or measles. Class 8 NCERT Science Curiosity Chapter 3 Health: The ...
Yes, COVID-19 is a communicable disease caused by the coronavirus. It spreads through cough, sneeze or contact. It caused a global pandemic and people were advised to wear masks and maintain distance. Class 8 Science Grade 8 Chapter 3 Health: The ...