Immune system

1234567
Across
  1. 2. the part of an antigen molecule to which an antibody attaches itself. Also called antigenic determinants
  2. 5. ____ cells release histamine, contributing to inflammation response
  3. 6. _____ immunity provides non-specific defense
  4. 7. Where T-cells mature
Down
  1. 1. _________ T cells. Also known as CD8+ T cells and Killer T Cells
  2. 3. engulfment of pathogen
  3. 4. _____ cell secrete large amounts of antibodies