Across
- 4. T cells mature in the .....
- 5. dendritic cells are a type of tissue .......
- 7. process od engulfing bacteria by WBC
- 9. proteins that are produced by B cells and can bind an antigen
- 10. antibody type that can cross the placenta
- 11. place where old RBC are killed
- 13. liquid part of blood
Down
- 1. redness seen at point of tissue injury
- 2. Virus infected cells produce this chemical to protect neighboring cells
- 3. tears have this enzyme to protect the eye against bacteria
- 6. the number of these WBCs increases during an allergic reaction
- 8. largest organ that protects the body
- 9. vaccination is a method of .....immunization
- 11. complement proteins are present in the .....
- 12. MHC type I are seen on ..... cells