Explain how different barriers function in defending the body. ">Biology : 8.19 The Human Body Has Three Lines of Defense Against Infections


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Biology / 8.19 The Human Body Has Three Lines of Defense Against Infections

Click on textbook icon to go to the notes for this lesson and read topics "The First Line:  Barriers" through "The Third Line:  Targeted Defense" in Chapter 31, Section 31.2 Notes