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Write Short (1-2 Sentences) Notes on the Following: Aid'S - Biology

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Question

Write short (1-2 sentences) notes on the following: 

AID'S

Short Note

Solution

It is a viral disease caused by the virus called HIV ( Human immunodeficiency virus) This virus makes the defence mechanism of the human body very weak. The immune system in the body as W.B.C. becomes weak. Thus the person catches the infectious diseases very easily. This disease spreads through sexual contact as one of the partners may be a carrier of the disease. It may spread through the blood transfusion and infected syringes, blades of the barbers, it may infect the developing baby through the blood by the 1087 mother. It is a very deadly disease.

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Precautions and Care for Prone to Allergies
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Chapter 7: Allergy - Short answer questions

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Selina Concise Biology [English] Class 7 ICSE
Chapter 7 Allergy
Short answer questions | Q 4
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