HELP PLEASE If your immune system can’t actually stop you from getting ill, then why is it beneficial? Why do you think it evolved to work this way, instead of simply stopping every infection in its tracks?

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unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.