OBJECTIVES 1. Describe the trends and compare various strategies used by animals for defense 2. Discuss the cellular elements of blood (basophils, lymphocytes, eosinophils, neutrophils, monocytes, platelets) that function in defense 3. Compare nonspecific and specific defenses 4. Explain how the various nonspecific defenses function in defending the body 5. Describe how various specific defenses work: humoral vs. cell-mediated immunity
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Immunology: Animal Defense Systems Key Concepts Animals Use Innate and Adaptive Mechanisms to Defend Themselves against Pathogens Innate Defenses Are Nonspecific The Adaptive Immune Response Is Specific The Adaptive Humoral Immune Response Involves Specific Antibodies The Adaptive Cellular Immune Response Involves T Cells and Their Receptors