Immune System

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Across
  1. 3. What is the organ that is part of the 1st line of innate immunity?
  2. 8. what is the name of serine proteases that trigger programmed cell death?
  3. 9. What is the name of the immune cells that phagocytose foreign intruders in the body?
  4. 10. what is the name of the undifferentiated cell that becomes a leukocyte?
  5. 11. what kind of cell division to B cells undergo to give rise to plasma and memory b cells?
Down
  1. 1. A Y shaped protein of which one end binds to the antigen.
  2. 2. Globular protein associated with immune system
  3. 4. what kind of T-cell does the class II MHC protein bind to?
  4. 5. Cells in the blood that respond to chemicals released by pathogens and cells during infection?
  5. 6. What is the name of a foreign body that causes infection?
  6. 7. Type of cells that are produced with lots of cell receptors and are integral membrane proteins.