Question

why do we fall ill explain full chapter​

Answer 1

Answer:

Notes of Chapter Why do we fall ill

Get here the chapter notes on CBSE Class 9 Science: Why Do We Fall Ill.

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S. No. Type of Disease Example

1. Air born Diseases Common cold, influenza, measles, tuberculosis.

2. Water born diseases Cholera, typhoid, hepatitis.

3. Sexual Diseases AIDS, Syphilis.

4. Animal born Disease Rabbis.

Answer 2

Answer:

hope it helps you friend

Explanation:

• It may be caused due to the attack of pathogens (virus, bacteria), lack of nutritious diet/balanced diet and lack of public health services. The disease which lasts for only a short period of time is called Acute Disease. For example: Influenza (Flu), Common cold, etc.