The Immune System

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Across
  1. 1. An antibacterial enzyme in mucus that give it antiseptic properties
  2. 5. When an antigen is sensed these products of lymphocytes attack and kill the foreign pathogen
  3. 8. A blood clot is called a _______; coronary thrombosis are blood clots in the coronary arteries
  4. 9. This enzyme forms a mesh within the cut to trap platelets and blood cells
  5. 10. Antibiotics are ________ which allows them to attack harmful bacteria in the body while not harming the host
  6. 13. Glands that secrete the chemical sebum
  7. 14. Immunity When cells attack only the pathogens they are triggered by
  8. 15. The enzyme converts fibrinogen, a soluble protein, into fibrin
  9. 17. A virus that invades and destroys helper T-cells and leads to the progressive decrease in antibody production
  10. 21. The process of going into a cell through a vacuole
  11. 22. Pathogens that are only able to survive inside the human body
Down
  1. 1. White blood cells that create antibodies
  2. 2. The first line of defense the body has against pathogens
  3. 3. The outcome of a build up of mutated bacteria that aren’t affected by antibiotics
  4. 4. Cellular fragments that circulate in the blood and release clotting factors when there is a cut
  5. 6. They cannot be treated using antibiotics because they lack a metabolism
  6. 7. A biological agent that causes disease or illness to its host
  7. 11. Chemicals that trigger a response by the immune system
  8. 12. Pathogens that survive inside the body and invade it but can survive outside
  9. 16. These blood cells take in pathogens and then use enzymes from lysosomes to digest the pathogen
  10. 18. When cells attack all pathogens
  11. 19. Blood flowing from the severed vessel transforms from a liquid to a semi-solid gel to seal the wound and prevent further loss of blood/blood-pressure
  12. 20. Florey and Chain’s experiments to test ______ on bacterial infections in mice