WS 11.8 Immune system
Important instructions
Visit YouTube to view this video on the Immune System. After viewing the video, try these questions.
Note that you are only responsible for the information in this worksheet--there are some details in the video that you do not need to remember.
This worksheet will be graded like your regular portfolio worksheets, according to the 80% cutoff rule; however, you may only attempt the worksheet twice, so do your best work!
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