Friday, December 9, 2011

Class assignment for the defense system

For those students who have not finished this assignment.

1. Write the definition of the key words on page 426
2. List the three lines of defense (P.427-431, subtitles).
3. List the three types of phagocytes (P.429).
4. List the three different strategies that these specialized phagocytes use to attack pathogens.

1 comment:

  1. i think i left my book in school, was it returned to you?

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