• Whenever the skin is broken, it is possible for pathogens to easily enter your body.
  • This is the first reaction of the body to tissue damage or infection.
  • Chemicals that trigger an inflammatory response attract leukocytes to the site of injury.
  • Leukocytes are white blood cells.
  • Their role is to fight infections and get rid of debris.
  • They may respond with either a nonspecific or a specific defense.
  • A specific defense is tailored to a particular pathogen.
  • The second line of defense includes the inflammatory response and phagocytosis.
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