ngẫu nhiên Pop Quiz

Which of the following describes how vaccination helps protect the body against diseases?
Choose the right answer:
Option A It causes white blood cells to ingest pathogens
Option B It stimulates white blood cells to produce antibodies
Option C It stimulates white blood cells to kill bacteria
Option D It prevents pathogens from multiplying
 FuyuumiAmakusa posted hơn một năm qua
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