Chapter 43: Immune System
AP Biology 2007-2008 Immune / Lymphatic System Jay Swan Cincinnati, Ohio NK cells attacking cancer cell endocytosis of bacteria by phagocytic leukocyte.
Defenses Big Questions 1.Why are defenses against pathogens necessary? 2.How do different multicellular organisms defend themselves against infections.
Immune / Lymphatic System (Ch. 43)
Immune / Lymphatic System
Defenses
