Immune System

[postlink]https://mickeyfun.blogspot.com/2009/12/immune-system.html[/postlink]http://www.youtube.com/watch?v=18ROCyHY5lUendofvid
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Immune System Part 1: Barriers and Non Specific Defenses (the video above)

Immune System Part 2: Specific Defense

A quick audio narrative of the three general parts of the immune system; barriers, non-specific defense, and the specific immune system.

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