Studies the immune system, a multi-cellular system that functions to protect us from disease. Introduces concepts associated with the development and function of individual cells of the immune system (T-cells, B-cells, neutrophils, dendritic cells, macrophages), as well as their integrative roles in physiology and host defense. Department enforced prerequisites: one year of general biology (lecture + lab) and one year of general chemistry (lecture + lab). Recommended prerequisite: IPHY 3060. Same as IPHY 5600.