Question

what is immune system why is immune system important​

Answer 1

Answer:

The immune system has a vital role: It protects your body from harmful substances, germs and cell changes that could make you ill. It is made up of various organs, cells and proteins. As long as your immune system is running smoothly, you don't notice that it's there.

Please mark as brainliest:-

Please mark as brainliest:-

Please mark as brainliest:-

Please mark as brainliest:-

Please mark as brainliest:-

Answer 2

The immune system is a complex network of cells and proteins that defends the body against infection. The immune system keeps a record of every germ (microbe) it has ever defeated so it can recognise and destroy the microbe quickly if it enters the body again.