Question

When is the body said to have a disease? (class 9, why do we fall ill)

Answer 1

Answer: Any disturbance in the structure or function of any organ or part of body. 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.

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Answer 2

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.