Hygiene a Key to Healthy Life — Chapter Summary
ICSE · Class 9 · Biology
Summary of Hygiene a Key to Healthy Life for ICSE Class 9 Biology. Part of the ICSE Class 9 Biology syllabus. Hygiene is the science and practice.
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Overview
Hygiene is the science and practice of maintaining good health. It includes personal hygiene, which means caring for one’s own body, and social hygiene, which means proper care of surroundings. Health depends on cleanliness, physical exercise, rest, sleep, healthy habits, clean surroundings, safe wa
Key Concepts
Hygiene is the science and practice
Hygiene is the science and practice of maintaining good health. It includes personal hygiene and social hygiene.
Personal hygiene includes cleanliness
Personal hygiene includes cleanliness, physical exercise, rest and sleep, and healthy habits. Clean hands, skin, teeth, eyes, ears, hair, and nose car
Social hygiene means keeping public places
Social hygiene means keeping public places, food places, drains, and water supplies clean. Sanitation includes proper disposal of waste and sewage.
A vector is any agent
A vector is any agent that acts as an intermediate carrier of a pathogen. Housefly, mosquito, and cockroach are important disease carriers.
The housefly is a natural scavenger
The housefly is a natural scavenger, but it is also a dangerous carrier of germs. It spreads diseases by carrying filth on its hairy body and legs, by
Learning Objectives
- To understand the meaning of hygiene and its main parts
- To explain the importance of cleanliness, exercise, rest, and healthy habits
- To describe how flies, mosquitoes, cockroaches, and rats spread diseases
- To identify common water contamination sources and waterborne diseases
- To understand the prevention of cholera, dysentery, hepatitis, malaria, filariasis, dengue, and yellow fever
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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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