Edward Jenner was a British doctor who found that milkmaids with cowpox didn’t get smallpox. He tested this by giving cowpox to a boy, who later stayed healthy when exposed to smallpox. This experiment led to the discovery of the world’s first vaccine. His idea of using mild viruses to build immunitRead more
Edward Jenner was a British doctor who found that milkmaids with cowpox didn’t get smallpox. He tested this by giving cowpox to a boy, who later stayed healthy when exposed to smallpox. This experiment led to the discovery of the world’s first vaccine. His idea of using mild viruses to build immunity saved millions from smallpox and led to global vaccination efforts that finally eradicated the disease in 1980.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
The body’s ability to fight diseases is called immunity. It develops through a strong immune system. Good nutrition, regular exercise, proper rest and hygiene support immunity. When the body faces a germ once or gets vaccinated, it learns to recognize and destroy it faster the next time. This memoryRead more
The body’s ability to fight diseases is called immunity. It develops through a strong immune system. Good nutrition, regular exercise, proper rest and hygiene support immunity. When the body faces a germ once or gets vaccinated, it learns to recognize and destroy it faster the next time. This memory helps us stay protected in future. Childhood vaccines and healthy habits keep our immunity strong throughout life.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
In Odisha’s Bhadrak district, a sanitation campaign encouraged communities to build and regularly use toilets. This led to reduced open defecation, fewer infections and better child health. It also improved cleanliness and awareness. Such campaigns show how simple steps like using toilets and properRead more
In Odisha’s Bhadrak district, a sanitation campaign encouraged communities to build and regularly use toilets. This led to reduced open defecation, fewer infections and better child health. It also improved cleanliness and awareness. Such campaigns show how simple steps like using toilets and proper waste disposal can prevent waterborne diseases and boost overall health. Community participation played a big role in its success.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
Disease prevention includes keeping our body and surroundings clean, washing hands, using safe drinking water and eating nutritious food. Vaccination protects us from many serious illnesses. To prevent vector-borne diseases like dengue, we should stop mosquito breeding. Avoiding junk food, regular pRead more
Disease prevention includes keeping our body and surroundings clean, washing hands, using safe drinking water and eating nutritious food. Vaccination protects us from many serious illnesses. To prevent vector-borne diseases like dengue, we should stop mosquito breeding. Avoiding junk food, regular physical activity and early treatment control non-communicable diseases. Regular checkups, following doctor’s advice and spreading awareness also help in reducing disease spread in families and communities.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
Non-communicable diseases develop due to lifestyle, environmental factors or inherited genes. Eating unhealthy food, sitting too much, smoking and not exercising can lead to conditions like diabetes, obesity, asthma and heart disease. Pollution and stress also increase risks. These diseases do not sRead more
Non-communicable diseases develop due to lifestyle, environmental factors or inherited genes. Eating unhealthy food, sitting too much, smoking and not exercising can lead to conditions like diabetes, obesity, asthma and heart disease. Pollution and stress also increase risks. These diseases do not spread between people but can last a long time. Regular exercise, healthy diet, avoiding harmful substances and routine health check-ups can prevent or manage these conditions.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
What do you know about Edward Jenner and the smallpox vaccine?
Edward Jenner was a British doctor who found that milkmaids with cowpox didn’t get smallpox. He tested this by giving cowpox to a boy, who later stayed healthy when exposed to smallpox. This experiment led to the discovery of the world’s first vaccine. His idea of using mild viruses to build immunitRead more
Edward Jenner was a British doctor who found that milkmaids with cowpox didn’t get smallpox. He tested this by giving cowpox to a boy, who later stayed healthy when exposed to smallpox. This experiment led to the discovery of the world’s first vaccine. His idea of using mild viruses to build immunity saved millions from smallpox and led to global vaccination efforts that finally eradicated the disease in 1980.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessAbility of the body to fight diseases – how developed on us?
The body’s ability to fight diseases is called immunity. It develops through a strong immune system. Good nutrition, regular exercise, proper rest and hygiene support immunity. When the body faces a germ once or gets vaccinated, it learns to recognize and destroy it faster the next time. This memoryRead more
The body’s ability to fight diseases is called immunity. It develops through a strong immune system. Good nutrition, regular exercise, proper rest and hygiene support immunity. When the body faces a germ once or gets vaccinated, it learns to recognize and destroy it faster the next time. This memory helps us stay protected in future. Childhood vaccines and healthy habits keep our immunity strong throughout life.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessWhat do you know about Odisha — community-led sanitation campaign?
In Odisha’s Bhadrak district, a sanitation campaign encouraged communities to build and regularly use toilets. This led to reduced open defecation, fewer infections and better child health. It also improved cleanliness and awareness. Such campaigns show how simple steps like using toilets and properRead more
In Odisha’s Bhadrak district, a sanitation campaign encouraged communities to build and regularly use toilets. This led to reduced open defecation, fewer infections and better child health. It also improved cleanliness and awareness. Such campaigns show how simple steps like using toilets and proper waste disposal can prevent waterborne diseases and boost overall health. Community participation played a big role in its success.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessHow to Prevent and Control Diseases?
Disease prevention includes keeping our body and surroundings clean, washing hands, using safe drinking water and eating nutritious food. Vaccination protects us from many serious illnesses. To prevent vector-borne diseases like dengue, we should stop mosquito breeding. Avoiding junk food, regular pRead more
Disease prevention includes keeping our body and surroundings clean, washing hands, using safe drinking water and eating nutritious food. Vaccination protects us from many serious illnesses. To prevent vector-borne diseases like dengue, we should stop mosquito breeding. Avoiding junk food, regular physical activity and early treatment control non-communicable diseases. Regular checkups, following doctor’s advice and spreading awareness also help in reducing disease spread in families and communities.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessHow are non-communicable diseases caused?
Non-communicable diseases develop due to lifestyle, environmental factors or inherited genes. Eating unhealthy food, sitting too much, smoking and not exercising can lead to conditions like diabetes, obesity, asthma and heart disease. Pollution and stress also increase risks. These diseases do not sRead more
Non-communicable diseases develop due to lifestyle, environmental factors or inherited genes. Eating unhealthy food, sitting too much, smoking and not exercising can lead to conditions like diabetes, obesity, asthma and heart disease. Pollution and stress also increase risks. These diseases do not spread between people but can last a long time. Regular exercise, healthy diet, avoiding harmful substances and routine health check-ups can prevent or manage these conditions.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See less