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Published on 19 Feb 2010 | over 7 years ago

Innate vs. adaptive immunity. Humoral adaptive immunity vs. cell-mediated adaptive immunity. Created by Sal Khan.

Watch the next lesson: www.khanacademy.org/test-prep/nclex-rn/rn-immune-system/rn-the-immune-system/v/b-lymphocytes-b-cells

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NCLEX-RN on Khan Academy: A collection of questions from content covered on the NCLEX-RN. These questions are available under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States License (available at creativecommons.org/licenses/by-nc-sa/3.0/us/) .

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