CAR Week 1

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Across
  1. 3. a signaling molecule used in immune responses
  2. 4. an organ that filters blood and helps with immune responses
  3. 6. the process by which cells engulf harmful particles
  4. 7. the non-specific branch of the immune system present at birth
  5. 8. a lymphocyte that produces antibodies
  6. 11. the primary site of blood cell production
  7. 12. a small structure that filters lymph and stores lymphocytes
Down
  1. 1. a type of white blood cell that engulfs pathogens
  2. 2. a foreign substance that triggers an immune response
  3. 5. the most abundant type of white blood cell in innate immunity
  4. 9. a protein produced by B cells that binds to antigens
  5. 10. a type of lymphocyte that helps in cell-mediated immunity