in mediated by chemical substances. Use the following words to come up with the output connected by arrows. 1. Modified proteins 2. Kininogen 3. Prostaglandins 4. Clotting system 5. Antigen 6. Lysosomal enzymes 7. Antibody 8. C1 9. Kallikreinogen 16. C142356789 17. Kallikrein 18. Platelets 19. Serotonin 20. Kinins 21. C1423 22. Anaphylotoxins 23. Chemotactic factor 24. Serum factors 10. C142 25. C14235 11. Antigen/Antibody 12. Cells migration 26. C1423567 27. Injurious stimuli 13. Histamine 28. Acute inflammation

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A: The immune system protects us from pathogenic infections.

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A:

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Q: Describe and give one example of the following: Hypersensitivity Type IV

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Immunology

Immunology is the division of science involved with the immune reactions occurring in living organisms. The organisms are accustomed to evolving internal defense mechanisms to evade the invasion of microbial pathogens. Diverse cells are connected with stimulating the immune responses, which produce inhospitable conditions to the microbes prompting their lysis and thus inhibits the multiplication of the pathogens. The immune system can distinguish the pathogens through the aid of cellular intercommunication and launch responses to destroy them.