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Antigen presentation

Summary of Chapter 43

Subject: 
Biology
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Biology
anatomy
immune system
Antigen presentation
B cell
Adaptive immune system
Antigen
Phagocyte
T cell
Lymphocyte
T helper cell
Humoral immunity
health

Chapter 43 The Immune System Overview: Reconnaissance, Recognition and Response Pathogens: infectious agents that cause disease Constantly attacking animals Infect a wide variety of animals (including humans) Types of pathogens: Viruses Bacteria Protists Fungi Immune system: The animal?s way of fighting off the Pathogens Made up of many different things (Macrophages, proteins, etc.) Layers of Defense: Outer layer: (barrier) Such as skin or shell Significant obstacle to invasion by microbes(pathogens) Not fully sealed (b/c need to breathe, etc) Additional barrier defenses: such as chemical secretions that trap/kill microbes ? guard the body?s entrances and exits.

AP Bio Reading Guide Answers CH 43

Subject: 
Biology
Rating: 
0
No votes yet
Tags: 
Biology
anatomy
immune system
Antigen presentation
Antigen
Polyclonal B cell response
B cell
Lymphocyte
Adaptive immune system
T cell
Cell-mediated immunity
T helper cell
health

Copyright ? 2011 Pearson Education, Inc. - 1 - Name _______________________ Period ___________ Chapter 43: The Immune System Our students consider this chapter to be a particularly challenging and important one. Expect to work your way slowly through the first three concepts. Take particular care with Concepts 43.2 and 43.3. It is rewarding, however, in Concept 43.4 to put your new knowledge to work and truly understand the devastation caused by the destruction of helper T cells by HIV. Overview The immune responses of animals can be divided into innate immunity and adaptive immunity. As an overview, complete this figure indicating the divisions of both innate and adaptive immunity. See page 930 of your text for the labeled figure.
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