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Essential Question 4: How does the body fight against invading organisms that may disrupt homeostasis? Why does the entire body rather than just the throat experience flu symptoms? An Inside Look: The flu Directions: The following video segments follow Holly, a “victim” of influenza B. After viewing each video segment answer the questions that follow for that segment. Link: Also on Mrs. Netland’s teacher page. 3. ”Battle against the flu”(5:59) How does a T cell become activated, and what happens immediately after it’s been called into duty? http://www.hominin.com/video/An_Inside_Look_at_the_Flu Video Segment: 1. “Transmission of a Virus”(4:56) What happens immediately after viruses and bacteria enter the body? What are antibodies, and what is their role in fighting the flu? (How are they different from T-cells?) How does a virus take advantage of the way human cells work? 4. “Beating the flu virus”(2:49) What causes immunity to the flu? 2. “Influenza B invasion” (8:56) What is happening in Holly’s body to cause her to loose throat cells?? How could the flu virus fight back?