What happens when the body cannot differentiate between pathogens and body cells? A. The organism will develop allergies. B. The excretory system will remove the pathogens. C. The digestive system will absorb the pathogens. D. The immune system will target the body’s own cells.

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Easy  D, The immune system will fight of the pathogens. If you need to, go on YouTube and watch a crash course film on the immune system, those are my favorite. 

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