Across
- 2. the cell-based division of the adaptive immune system
- 5. adaptive immunity operates on a principle called _________ selection: picking the exact one cell for the job and having that cell made into many
- 7. protective protein molecule produced by the adaptive immune system
- 8. adaptive immunity has _______ component; exposure to pathogen gives immunity next time
Down
- 1. not present at birth but obtained
- 3. another way the adaptive immune system is named means exact and detailed in nature
- 4. the liquid or fluid-based division of the adaptive immune system
- 6. what the adaptive immune system responds to