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What are Non-communicable diseases?
Non-communicable diseases (NCDs) are long-lasting illnesses that do not spread from person to person. They are usually caused by lifestyle habits, unhealthy diet, lack of physical activity, smoking, pollution or inherited genes. Common examples include diabetes, asthma, cancer and heart diseases. ThRead more
Non-communicable diseases (NCDs) are long-lasting illnesses that do not spread from person to person. They are usually caused by lifestyle habits, unhealthy diet, lack of physical activity, smoking, pollution or inherited genes. Common examples include diabetes, asthma, cancer and heart diseases. These diseases require regular care and can often be prevented by adopting healthy habits like eating nutritious food, exercising and staying away from harmful substances like tobacco or alcohol.
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 are Communicable diseases?
Communicable diseases are illnesses that can pass from one person to another through various ways like touching, coughing, sneezing, contaminated food, water or insect bites. These diseases are caused by harmful microorganisms called pathogens, such as bacteria, viruses or fungi. Examples include maRead more
Communicable diseases are illnesses that can pass from one person to another through various ways like touching, coughing, sneezing, contaminated food, water or insect bites. These diseases are caused by harmful microorganisms called pathogens, such as bacteria, viruses or fungi. Examples include malaria, COVID-19, measles and tuberculosis. Simple precautions like handwashing, using clean water, vaccination and wearing masks can help prevent the spread of communicable diseases.
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 lessDo you know about COVID-19?
COVID-19 is a viral disease caused by the coronavirus. It spread rapidly worldwide and was declared a pandemic. It spreads mainly through droplets from coughs, sneezes or touching infected surfaces. Symptoms include fever, cough, breathing trouble and fatigue. To stop its spread, people were advisedRead more
COVID-19 is a viral disease caused by the coronavirus. It spread rapidly worldwide and was declared a pandemic. It spreads mainly through droplets from coughs, sneezes or touching infected surfaces. Symptoms include fever, cough, breathing trouble and fatigue. To stop its spread, people were advised to wear masks, wash hands, avoid gatherings and get vaccinated. It reminded us of the importance of hygiene and strong public health systems.
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 lessAll communicable diseases are caused by pathogens. Explain.
Communicable diseases are always caused by pathogens—tiny disease-causing organisms like viruses, bacteria, fungi or worms. These germs invade the body and disturb its normal functions. They spread through air, water, food or direct contact. Diseases like flu, COVID-19, tuberculosis and chickenpox aRead more
Communicable diseases are always caused by pathogens—tiny disease-causing organisms like viruses, bacteria, fungi or worms. These germs invade the body and disturb its normal functions. They spread through air, water, food or direct contact. Diseases like flu, COVID-19, tuberculosis and chickenpox are examples. Knowing that pathogens cause these diseases helps us take precautions like handwashing, wearing masks and getting vaccinated to stay protected.
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 lessBut how do these pathogens spread from one person to another?
Pathogens spread in many ways. Through air—when an infected person coughs or sneezes. Through water and food—if contaminated by germs. Through direct contact—like touching an infected person. Through insect bites—like mosquitoes spreading malaria or dengue. Through indirect contact—like sharing toweRead more
Pathogens spread in many ways. Through air—when an infected person coughs or sneezes. Through water and food—if contaminated by germs. Through direct contact—like touching an infected person. Through insect bites—like mosquitoes spreading malaria or dengue. Through indirect contact—like sharing towels or surfaces. That’s why hygiene, clean drinking water, proper waste disposal and using masks are important in stopping the spread of communicable diseases.
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