a&p

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Across
  1. 2. what do b cells produce?
  2. 4. what is the process of engulfing and destroying a pathogen called?
  3. 6. which immune response is the third line of defence?
Down
  1. 1. where are immune cells produced/matured?
  2. 3. which immune response if the first and second line of defence?
  3. 5. exercise increases activity of which nervous system?