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Flash Cards: Health: The Ultimate Treasure

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Health: The Ultimate Treasure - Flash Cards

These flash cards cover important concepts from Health: The Ultimate Treasure in Curiosity for Class 8 (Science).
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What is health?

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Health is a state of complete physical, mental, and social well-being, not merely the absence of disease (WHO).

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What is the difference between communicable and non-communicable diseases?

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Communicable diseases spread from one person to another (e.g., flu), while non-communicable diseases are not spread and are often linked to lifestyle (e.g., diabetes).

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Why are vaccines important?

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Vaccines train the immune system to recognize and fight pathogens, preventing serious infections.

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What are symptoms and signs of illness?

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Symptoms are what a person feels (e.g., pain), while signs are observable indicators (e.g., fever).

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What constitutes a healthy lifestyle?

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A healthy lifestyle includes a balanced diet, regular exercise, adequate sleep, and maintaining hygiene.

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What are pathogens?

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Pathogens are organisms that cause diseases, including bacteria, viruses, fungi, and protozoa.

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What does the Air Quality Index (AQI) indicate?

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The AQI measures air pollution levels and helps assess air quality and its impact on health.

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What is a balanced diet?

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A balanced diet includes a variety of foods from all food groups—fruits, vegetables, grains, proteins, and dairy.

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What is antibiotic resistance?

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Antibiotic resistance occurs when bacteria evolve and become immune to the effects of medications used to kill them.

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How does mental health impact physical health?

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Good mental health contributes to physical well-being. Stress and negative emotions can lead to physical ailments.

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Why is maintaining hygiene important?

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Good hygiene practices prevent infections and promote overall health by reducing pathogen exposure.

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What types of activities count as exercise?

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Activities like walking, running, cycling, playing sports, and yoga contribute to physical fitness.

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How do relationships affect health?

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Strong social connections can improve mental health and emotional support, contributing to physical health as well.

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What are common signs of illness?

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Common signs include fever, rash, swelling, and changes in appetite or weight.

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What are some common nutrition-related diseases?

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Obesity, diabetes, heart disease, and deficiency diseases like scurvy and anemia are linked to nutrition.

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What diseases can be spread through contaminated water?

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Hepatitis A, cholera, typhoid, and dysentery can be transmitted by consuming contaminated water.

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What are some measures to prevent communicable diseases?

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Preventive measures include vaccinations, handwashing, practicing safe hygiene, and avoiding close contact with infected individuals.

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Why is sleep important?

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Sleep is crucial for physical recovery, mental clarity, and emotional well-being.

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How do yoga and meditation promote health?

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Yoga and meditation reduce stress, improve flexibility, and enhance overall mental and physical health.