Summary

Concept 39.1: Animals Use Innate and Adaptive Mechanisms to Defend Themselves against Pathogens

Concept 39.2: Innate Defenses Are Nonspecific

Concept 39.3: The Adaptive Immune Response Is Specific

Concept 39.4: The Adaptive Humoral Immune Response Involves Specific Antibodies

See ANIMATED TUTORIAL 39.2

Concept 39.5: The Adaptive Cellular Immune Response Involves T Cells and Their Receptors

See ANIMATED TUTORIAL 39.4

See ACTIVITY 39.3 for a review of the major human organ systems.

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PoL2e.com/is39

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