I know that stuff like mucus and skin can keep germs physically away from the body, but why does a good immune system keep you healthy?
Can a strong immune system make it so that you might not even feel symptoms of a disease in the first place, or is it just a matter of recovery and fighting off the illness?
In: Biology
If your cells and organs are strong and healthy enough it will be easier for them to fight the disease because they are not already weak or damged themselves.
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