Lymphatic System and Immunity Assignment .doc - The Immune...

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The Immune System Assignment / 10 pointsName: _________________________Due Date:Submit online through BB LearnThe Immune System: Immune System Overview1.Name the two major functions of the immune system:
2.Pathogens are classified according to their size and where they are located in the body.List the five typesof pathogens from largest to smallest:
3.
Which type of pathogen is always extracellular?Parasitic worms
4–5.Name the three main lines of defense and give an example of each:Line of defenseExample
6.When the surface barriers (innate external defenses) are penetrated, what is the next line of defense?

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Term
Summer
Professor
dr.G
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