Biology, asked by nikitasamantaray5, 3 months ago

what is infectious disease? how they are harmful​

Answers

Answered by payalkumari8874
0

Answer:

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease.

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Answered by mallareddyev
1
The diseases which spread from one person to another are called infections diseases
They are harmful by weekness of our body , unhealthy, etc. so we should be careful

This answer is the right answer

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