Watch the following video: https://www.khanacademy.org/science/biology/humaL-bio

Watch the following video: https://www.khanacademy.org/science/biology/humaL-biology/immunology/v/types-of-immune-responses-innate-and-adaptive-humoral-vs-cell-mediatedLinks to an external site.
Then, write a brief summary of what you have learned by watching the video and why this is significant. Your summary should describe cell-mediated immunity, antibody-mediated immunity, active immunity, and passive immunity.