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Immune System, Karina Salazar, Per.2 - Coggle Diagram

- - - - prevent the entry of certain pathogens by providing a physical separation of pathogens and internal tissues. (first line of defense)
    - - Functions of inflammation is to stop the spread of pathogens and infection
    - - Chemical that kill many pathogens
    - - Enzymes, such as pepsin in the stomach and lysozyme in tears, destroy many pathogens
    - - Engulfment and digestion of pathogens, foreign particles, and debris
  - - - Elevated body temp. causes the liver and spleen to take up iron, reducing the amount in the blood, and keeping it from fungi or bacteria, which need it for growth and metabolism