Immunity and Nutrition

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Across
  1. 2. primary lymphoid organ
  2. 4. an agent that causes diseases
  3. 5. vitamin most linked with boosting the immune system
  4. 7. the process of administration of vaccine
  5. 10. also called as immunoglobulin
  6. 11. medicines that stop the infections caused by bacteria
  7. 13. keeps immunity up and helps stave of infection
  8. 15. enzyme in saliva that kills bacteria
Down
  1. 1. cells which remember antigens that have already attacked the body
  2. 3. engulfs pathogens
  3. 6. viral infection of nose and throat
  4. 8. its number increases during infection
  5. 9. process where immune system attacks healthy cells
  6. 10. substance that can provoke an immune response
  7. 12. immunity present at birth
  8. 14. destroys damaged RBC's