Environmental Health and Disease Prevention — Chapter Summary
ICSE · Class 11 · Environmental Science
Summary of Environmental Health and Disease Prevention for ICSE Class 11 Environmental Science. Part of the ICSE Class 11 Environmental Science syllabus.
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Overview
Environmental health depends on clean air, safe water, proper sanitation, good nutrition, and hygienic living conditions. Health has three dimensions: physical, mental, and social. When the environment becomes polluted or unhealthy, diseases such as malaria, cholera, tuberculosis, respiratory illnes
Key Concepts
Health means complete physical
Health means complete physical, mental, and social well-being. Physical health refers to proper functioning of the body, mental health means clear thi
Clean air
Clean air, safe water, nutritious food, and hygienic surroundings support health, while polluted air, contaminated water, poor sanitation, and waste a
Malaria is a communicable disease caused
Malaria is a communicable disease caused by Plasmodium species and transmitted by the bite of an infected female Anopheles mosquito. It is not spread
Cholera
Cholera, typhoid, and dysentery are infections of the intestinal tract spread through contaminated food and water. Poor sanitation and sewage contamin
Asthma
Asthma, bronchitis, and COPD are associated with air pollution. Smoke, dust, harmful gases, and particulate matter can damage the respiratory system.
Learning Objectives
- Understand the link between environment and human health
- Identify major communicable and non-communicable diseases
- Explain how malaria, enteric diseases, respiratory diseases, HIV/AIDS, TB, and hepatitis spread and are prevented
- Recognize the role of nutrition, hygiene, sanitation, and safe drinking water in disease prevention
- Differentiate between communicable and non-communicable diseases with examples
Frequently Asked Questions
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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