Diseases and First Aid — Chapter Summary
ICSE · Class 8 · Biology
Summary of Diseases and First Aid for ICSE Class 8 Biology. Part of the ICSE Class 8 Biology syllabus. Health means complete physical, mental, and social.
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Overview
Health means complete physical, mental, and social well-being, not just the absence of disease. Disease is a departure from normal health caused by structural or functional disorders of the body. Diseases are broadly divided into communicable and non-communicable diseases. Communicable diseases spre
Key Concepts
Health is a state of complete
Health is a state of complete physical, mental, and social well-being. A healthy person can work, interact well, enjoy leisure, and adjust to life’s c
Disease is a departure from normal
Disease is a departure from normal health through structural or functional disorders of the body.
These diseases are caused by pathogens
These diseases are caused by pathogens and spread from infected to healthy persons. They include diseases such as cholera, viral fever, chicken pox, m
These diseases are not caused by
These diseases are not caused by germs and do not spread from person to person. Diabetes and heart attack are examples.
Pathogens are disease
Pathogens are disease-causing germs such as viruses, bacteria, fungi, worms, and protozoa.
Learning Objectives
- Understand the meaning of health and disease
- Distinguish between communicable and non-communicable diseases
- Identify common disease-causing pathogens and vectors
- Explain the spread and prevention of diseases such as malaria, dengue, chikungunya, AIDS, and COVID-19
- Understand vaccination and immunization and their differences
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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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