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Biology 13 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

HELP ME PLEASE!!

OpenStudy (anonymous):

My answer would be a. I just want some feedback on my answer

OpenStudy (anonymous):

yes option A..

OpenStudy (anonymous):

Thank you! You've helped me a lot.

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