Immunity

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Across
  1. 2. A local response to infection or injury, causing redness, heat, swelling, and pain.
  2. 4. A disease caused by parasites transmitted via the bite of infected mosquitoes, leads to fever, chills, & flu-like symptoms. One of the leading causes of death in the world!
  3. 5. A serious lung infection that causes inflammation of the air sacs, often filled with fluid.
  4. 7. ______ T-Cell - A T-cell that activates B-cells and other immune cells to respond to a pathogen.
  5. 8. The process by which a cell engulfs and digests foreign particles or pathogens.
  6. 12. A protein produced by the immune system to neutralize or destroy pathogens.
  7. 13. A compound released by cells in response to injury or infection, causing inflammation.
  8. 16. A thick, slippery substance produced by the body to trap germs and keep them out of the lungs.
  9. 18. The invasion of the body by harmful microorganisms like bacteria or viruses.
  10. 19. A type of lymphocyte responsible for producing antibodies.
  11. 21. A contagious viral disease causing pus-filled sores, eradicated by vaccines in 1980.
  12. 24. ______ Immunity - The body's first line of defense against pathogens, present from birth.
  13. 26. ____ Blood Cell - A type of blood cell that helps the body fight infections.
  14. 27. A type of white blood cell that is part of the immune system, including T-cells and B-cells.
  15. 28. A virus that attacks the immune system, leading to acquired immunodeficiency syndrome (AIDS) if untreated.
  16. 29. A tiny infectious agent that needs a host cell to reproduce and can cause illness.
  17. 31. A reflex to clear the airways of mucus or foreign particles.
  18. 32. ___ Immunity is when a large portion of a population becomes immune to a disease, reducing the likelihood of its spread to those who are not immune.
  19. 34. A contagious viral infection that affects the respiratory system, causing fever, aches, and fatigue. Known
  20. 35. This kind of Transmission is caused by the spread of diseases through tiny particles or droplets that remain suspended in the air.
  21. 36. A substance that triggers an allergic reaction.
Down
  1. 1. Natural ___ cells, known as NK Cells for short: A lymphocyte that can kill infected or cancerous cells without prior exposure to the pathogen.
  2. 3. A condition where the immune system’s ability to fight infectious disease is compromised.
  3. 6. ______ Immunity - Immunity that develops after exposure to a pathogen or vaccination.
  4. 9. A type of lymphocyte that plays a central role in cell-mediated immunity.
  5. 10. A substance or pathogen that triggers an immune response.
  6. 11. A discharge of mucus, often a sign of infection or irritation, results in a runny this?
  7. 14. A large white blood cell that ingests and destroys pathogens.
  8. 15. An enlargement of body tissue caused by an immune response, often due to injury or infection.
  9. 17. A reflex action to expel air from the nose, often triggered by irritation or infection.
  10. 18. The body's ability to resist or eliminate potentially harmful foreign materials or abnormal cells.
  11. 19. Single-celled organisms that can cause infections or diseases.
  12. 20. Small, bean-shaped structures that filter lymph and house immune cells to fight infection.
  13. 22. An organism or substance that causes disease, such as bacteria, viruses, or fungi.
  14. 23. A microorganism, especially one that causes disease.
  15. 25. An exaggerated immune response to a normally harmless substance.
  16. 29. A biological preparation that provides active acquired immunity to a particular infectious disease.
  17. 30. The common ____ - A mild viral infection of the nose and throat, causing sneezing, coughing, and a runny nose.
  18. 33. Small proteins released by cells that affect the behavior of other cells, especially in immune responses.