1. Describe the immune response and the cells and structures that participate in it. Pay special attention to the different types of white blood cells as well as the structures involved. (At least 500 words.)

2. Compare and contrast the incidence of cancers among different races, sexes or nationalities. You should examine at least 3 different cancer types in 3 different nationalities. You can use any combination of the following: (At least 800 words.)

Cancers   Ethnicity
Breast     Middle Eastern
Colon      Hispanic
Lung       Asian/Pacific Islander
Melanoma American Indian/Alaskan Native
Prostate   Black