Biology, asked by nishanturaon646, 17 days ago

What decides the severity of disease ? What role does our immune system play in it?​

Answers

Answered by sinhashalu672
1

Answer:

Your immune system is a complex network of cells, tissues, and organs. Together they help the body fight infections and other diseases. When germs such as bacteria or viruses invade your body, they attack and multiply. This is called an infection.

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