Human Biology

(Sean Pound) #1

1.61. Inflammatory Response http://www.ck12.org



  • phagocyte: Type of white blood cell that ingests and destroys pathogens and dead cells.

  • phagocytosis: Engulfing of a large particle, such as a pathogen, by the cell.


Summary



  • If pathogens enter your body, inflammation occurs.

  • White blood cells called phagocytes travel to areas of the body that are inflamed.


Practice


Use the resource below to answer the questions that follow.



MEDIA
Click image to the left for more content.


  1. What is a macrophage? What does it do when it recognizes a "non-self" substance?

  2. What are cytokines? What message do they send to the rest of the body’s cells?

  3. How do macrophages interact with T-cells? Where does this interaction occur?


Review



  1. Describe inflammation.

  2. A fever is a sign of infection. Why might it be considered a good sign?

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