the immune system

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Across
  1. 2. All antibodies have what linkages holding them together?
  2. 3. What process is stimulated when an antigen is first exposed to B cells and interacts with one of the receptors on one of the B cells
  3. 7. A non-specific immune response
  4. 8. How are memory cells found in the body?
  5. 9. Vaccines trigger what kind of response in the body?
  6. 12. In the cell-mediated immune response, when cells are infected with a pathogen, what type of T cells are activated
  7. 13. A cytotoxic protein that perforates the cell by inserting itself in the target cells plasma membrane and creating holes/pores in the cell
  8. 15. The transmembrane glycoprotein that is a co-receptor and assists the T cell receptor in communicating with an antigen-presenting cell
  9. 16. What are antibodies also called?
  10. 17. What do T cells do to B cells?
  11. 18. what do B cells have on their surface that react directly with antigens in blood
Down
  1. 1. Binding of the Antibodies can inactivate the pathogen by
  2. 4. White blood cells (B cells or T cells) that are undifferentiated stem cells
  3. 5. A type of leukocyte found in the spleen that differentiates into macrophages and dendritic cells in response to inflammation
  4. 6. In the humoral mammalian immune system response, what do plasma cells secrete that bind to antigens making them easier targets for phagocytes
  5. 10. What is the antigen engulfed by?
  6. 11. Blood serum contains what kind of antibodies?
  7. 14. In mammalian immune system, what immune response involves T cells