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FAQs on Mindmap: Why do we fall ill - Subject-Wise Mind Maps for Class 9

1. Why do we fall ill?
Ans. We fall ill due to various reasons such as infections caused by bacteria, viruses, or other pathogens. Our body's immune system may also weaken due to poor nutrition, lack of exercise, or stress, making us more susceptible to illnesses.
2. What are some common causes of illness?
Ans. Common causes of illness include exposure to infectious agents like bacteria, viruses, fungi, or parasites. Other factors like poor hygiene, environmental pollution, unhealthy lifestyle choices, and genetic predispositions can also contribute to falling ill.
3. How does the immune system protect us from illness?
Ans. The immune system is responsible for defending our body against harmful pathogens. It consists of specialized cells, tissues, and organs that work together to identify and eliminate foreign invaders. This defense mechanism helps prevent the development of infections and diseases.
4. Can stress make us more susceptible to illness?
Ans. Yes, stress can weaken the immune system and make us more prone to falling ill. Chronic stress releases stress hormones, which can suppress immune function. This can lead to increased susceptibility to infections and slower recovery from illnesses.
5. How can a healthy lifestyle prevent illness?
Ans. Maintaining a healthy lifestyle can significantly reduce the risk of falling ill. Eating a balanced diet, engaging in regular physical activity, getting enough sleep, managing stress, practicing good hygiene, and avoiding harmful substances like tobacco and excessive alcohol can strengthen the immune system and promote overall well-being.
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