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Questions and Answers
Excretion is defined as:
One of the following organs is a part of the urinary system.
One of the following wastes is not removed through the skin.
During urine formation, filtration of blood is done in:
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One of the following is a sanitary practice.
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What is hygiene?
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Why should latrines be kept clean?
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Which of the following is NOT a type of latrine?
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What method involves boiling food to eliminate microorganisms?
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Which method preserves food by removing moisture?
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Frequent washing and sanitizing of hands is important for good hygiene.
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Study Notes
Hygiene and Latrines
- Hygiene is the practice of keeping oneself and surroundings clean to prevent illness.
- Sanitation and hygiene are crucial for good health.
- Key hygiene practices include personal and collective actions, sweeping, cleaning, proper waste disposal, and appropriate toilet use.
- Human waste can contain microorganisms, worms, and eggs, causing diseases like typhoid, fever, and cholera.
- Maintaining clean latrines prevents the spread of these diseases.
Different Types of Latrines
- Open-air toilet
- Dry pit latrine
- Flush latrine
Food Preservation Methods
- Pasteurization: Uses moderate heat to preserve food like milk.
- Sterilization: Involves boiling or heating to kill bacteria.
- Heating: Cooking to make food edible and kill microorganisms.
- Canning: A method for preserving food.
- Smoking: Used for foods like quanta and fish to remove moisture and kill microorganisms.
- Chemical preservatives: Inhibit microbial growth.
- Drying: Removing moisture, using sun rays, hot air drying or freeze-drying.
- Salting: A food preservation method.
- Refrigeration: Preserving food at low temperatures.
- Freezing: Slows microbial activity and enzyme reactions.
Why Do We Keep Latrines Clean?
- Human waste contains microorganisms, worms, and eggs which can cause disease.
- Avoiding contact with this waste through clean clothes and clean latrines helps prevent diarrheal diseases.
- Hygienic latrines are crucial for public health.
Different Types of Latrines
- Open-air toilet
- Dry pit latrine
- Flush latrine
Excretion and Urinary System
- Excretion is the process of removing metabolic wastes from the body.
- The kidneys are a part of the urinary system.
- The skin removes water, salt, and carbon dioxide as wastes.
- Blood filtration occurs in the kidneys during urine formation.
Sanitary Practices
- Proper disposal of feces
- Proper use of toilets
- Not defecating in open soil
Role of Skin
- The skin plays an important role in the body, further details are not provided in the text.
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Description
This quiz explores the essential practices of hygiene and sanitation, the importance of maintaining clean latrines, and various methods of food preservation. Understanding these topics is crucial for promoting health and preventing diseases. Test your knowledge on hygiene practices, types of latrines, and food preservation techniques.
