Non-specific Immunity

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Across
  1. 4. A type of immune cell that surrounds and kills microorganisms and clears dead cells
  2. 6. The liquid component of blood
  3. 8. Single-celled microorganisms
  4. 10. An unusual high body temperature
  5. 11. An oily, natural substance which moisturises your skin
  6. 13. A process in the immune system which removes pathogens and reddens the infected area
  7. 14. An abnormal expansion of a part of the body
  8. 15. An organism that invades the immune system and causes diseases
Down
  1. 1. A form of communication between cells or organisms
  2. 2. A physical barrier made up of a sticky liquid found in the mouth and nose
  3. 3. The way the immune system can distinguish self from foreign invaders
  4. 5. Complex molecules made up of amino acids
  5. 7. Something that protects an organism from pathogens
  6. 9. A chemical found in cells, causing many allergies and sneezing
  7. 12. A thick yellow/green liquid in infected tissue consisting of dead white cells