Immune System, Part 2: Crash Course A&P #46

2015-12-14

[public] 2.83M views, 40.7K likes, 475 dislikes audio only

In the penultimate episode of Crash Course Anatomy & Physiology, Hank explains your adaptive immune system. The adaptive immune system's humoral response guards extracellular terrain against pathogens. Hank also explains B cells, antibodies, and how vaccines work.

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Chapters:

Introduction: Adaptive Immune Responses 00:00

How B Cells Identify Antigens 2:14

B Cells Become Effector Cells & Memory Cells 4:05

How Antibodies Fight Antigens 5:22

Active and Passive Humoral Immunity 6:03

How Vaccines Work 6:27

Review 8:30

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