SciShow
Retroviruses: Microbial Supervillains
Forget your Hans Grubers, Lord Voldemorts, and Hannibal Lecters. It’s time to meet some real supervillains. They’re called retroviruses, and they actually change their host cell’s DNA.
Bozeman Science
The 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...
Khan Academy
Helper T Cells, Immune System Physiology, NCLEX-RN
The main concepts covered in this video are the complex procedures that follow the recognition of a foreign body by the immune system. Sal describes the roles of helper T cells and memory cells in controlling future responses.
Khan Academy
Khan Academy: Biology: Helper T Cells
A detailed introduction to helper T cells and their function. [20:33]
Sophia Learning
Sophia: Cell Mediated Response: Lesson 1
This lesson will investigate a cell-mediated immune response. It is 1 of 5 in the series titled "Cell-Mediated Response."