21. Fights off microbes that are inhaled or ingested 22-25. Below is pictured an

Question

21. Fights off microbes that are inhaled or ingested 22-25. Below is pictured an immune system response for B-cells. Using the figure below place the order of the immune system response from start to finish. Place these events in their proper order by penciling in a for the earliest event, b for the next event, c for the next and so on until d 22. B cells recognize antigens. Bacteria are neutralized Plasma cells produce antibodies Macrophage presents antigens 23. 24. 25. Invading Macrophag6 B-cel Antibodias upon bacteria -G

Explanation / Answer

A) Macrophage presents antigens (first figure)

B) B cells recognize antigens (next figure)

C) Plasma cells produce antibodies (next figure)

D) Bacteria are neutralized (last figure)

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