Khan Academy
Khan Academy: Biology: Types of Immune Responses
Immune responses including innate, adoptive, humoral and cell-mediated. [8:07]
Crash Course
Crash Course A&p #44: Lymphatic System
Find out how the lymphatic system supports cardiovascular function and fights off infection. [9:19]
Bozeman Science
Bozeman Science: Immune System
Paul Andersen explains how your body protects itself from invading viruses and bacteria. He starts by describing the nonspecific immune responses of skin and inflammation. He then explains how we use antibodies to disrupt the function of...