The immune system

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Across
  1. 4. when you are born you get some immunity from their parents called ___________?
  2. 7. they remember anti-gens that have already attacked the body
  3. 8. what do scientists call the invaders that can cause diseases?
  4. 9. these cells help get rid of good cells that have already been infected
  5. 10. cells that produce antibodies that bind to antigens and neutralize them
Down
  1. 1. they destroy cells that have been infected by the invader
  2. 2. when our bodies develop immunities over time through the immune system
  3. 3. cells help b cells to start making antibodies or instruct killer t cells to attack
  4. 5. what proteins that the immune system produce to fight off antigens
  5. 6. system made up of specialized organs, cells, and tissues