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NCERT Solutions and important questions for Class 8 science for CBSE 2020-2021.
Cold and flu, typhoid and chickenpox are communicable diseases. They spread from person to person. Asthma and diabetes are non-communicable diseases. They do not spread and are caused by lifestyle or body conditions. Class 8 Science Curiosity Chapter 3 Health: The ...
Correct answer: (b) (ii) and (iii). Asthma and diabetes are non-communicable diseases. They do not spread from person to person and are caused by lifestyle or genetic factors, unlike typhoid and measles, which are communicable. Class 8 Science Grade 8 Chapter ...
Pathogens are tiny organisms like bacteria, viruses, fungi or worms that cause diseases in humans and animals. They enter our body through air, water, food or contact and make us sick. Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure ...
True health includes emotional and social well-being. If we feel lonely, sad or stressed, it affects our body too. Talking, laughing and spending time with loved ones helps our mind and body stay healthy. Class 8 Science Curiosity Chapter 3 Health: ...
A clean environment gives us fresh air, clean water and hygienic surroundings. It reduces diseases and keeps our mind fresh. Cleaner spaces also make us feel safe, comfortable and happier both physically and mentally. Class 8 Science Curiosity Grade 8 Chapter ...
