Natural killer cells | The Human Body: Secrets of Your Life Revealed

How white blood cells, especially 'natural killer cells' fight viruses in our bodies.

Watch
Further Information
Similar broadcast resources
Biology  |  BBC

The body's complex repair system | The Human Body: Secrets of Your Life Revealed

How our bodies respond and repair when we are injured.
Biology  |  BBC

The role of T cells and antibodies when fighting an infection | Inside the Human Body

Using state-of-the-art graphics, Michael Mosley explains what happens when a virus enters our bodies.