When there is a cut in the skin and bacteria enter the body, the immune...

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Biology

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When there is a cut in the skin and bacteria enter the body, the immune system responds. First, macrophages approach the area of the cut. Next, the macrophages surround any bacterial cells and engulf them. What feature of the immune system is best described by this scenario?A self-recognition, which is a part of adaptive immunityB. the phagocytotic barrier, which is a part of innate immunityC. the inflammatory barrier, which is a part of innate immunityD. antigen specificity, which is a part of adaptive immunity

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