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प्रश्न
Give a brief note on body’s natural defence mechanism to overcome diseases
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उत्तर
- The skin acts as a barrier to the entry of microbes.
- Tiny hair and mucous in the nose trap dust and microbes.
- Digestive juices in the stomach kill microbes which enter the body.
- White blood cells in the blood destroy the microbes.
- Immune system produces antibodies against foreign particles
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संबंधित प्रश्न
Give the names of five non-infectious diseases other than given in the lesson.
Name the following:
A disease that weakens the body's defence system against infections.
Fill in the blanks by selecting suitable words given below:
Kwashiorkor is caused due to the deficiency of ______.
Mention the food constituents which may be lacking in one’s diet, in case of the following:
A child having rickets.
Write, in brief, about the following: Fever
Write, in brief, about the following: First-aid measures in case of cuts, burns, bites and stings.
Which of the following can make you ill if you come in contact with an infected person?
Give any four factors necessary for a healthy person.
What causes illness?
Match the causative organisms with their diseases.
| Column I | Column II | Column III |
|
A. Haemophilus influenza |
1. Malignant malaria | l. Widal test |
| B. Entamoeba histolytica | 2. Elephantiasis | m. Blood test |
| C. Plasmodium falciparum | 3. Pneumonia | n. Stool test |
| D. Wuchereria bancrofti | 4. Typhoid | o. X-ray |
| E. Salmonella typhi | 5. Amoebiasis | p. Peripheral blood test |
