Explore the basics about the immune system with The Amoeba Sisters! This video talks about the three lines of defense and also compares cell-mediated response with the humoral response. *************************** Factual References: Clark, M. A., Douglas, M., & Choi, J. (2018). Biology 2e. Houston, TX: Biology Stax. https://openstax.org/details/books/biology-2e Reece, J. B., & Campbell, N. A. (2011). Campbell biology. Boston: Benjamin Cummings / Pearson. *************************** Further Reading Suggestions: Discover many other types of white blood cells here! https://openstax.org/books/biology-2e/pages/42-1-innate-immune-response More about antibody classes? https://openstax.org/books/biology-2e/pages/42-3-antibodies More detail about the cell-mediated and humoral response? https://openstax.org/books/biology-2e/pages/42-2-adaptive-immune-response *************************** The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. Amoeba Sisters videos only cover concepts that Pinky is certified to teach, and they focus on her specialty: secondary life science. Learn more about our videos here: https://www.amoebasisters.com/our-videos Support Us? https://www.amoebasisters.com/support-us Our Resources: Biology Playlist:    • Amoeba Sisters Biology Learning Playlist   GIFs: https://www.amoebasisters.com/gifs.html Handouts: https://www.amoebasisters.com/handouts.html Comics: https://www.amoebasisters.com/parameciumparlorcomics Unlectured Series: https://www.amoebasisters.com/unlectured Connect with us! Website: http://www.AmoebaSisters.com/ Twitter: http://www.twitter.com/AmoebaSisters Facebook: http://www.facebook.com/AmoebaSisters Tumblr: http://www.amoebasisters.tumblr.com/ Pinterest: http://www.pinterest.com/AmoebaSister­s Instagram: https://www.instagram.com/amoebasistersofficial/ Visit our Redbubble store at https://www.amoebasisters.com/store TIPS FOR VIEWING EDU YOUTUBE VIDEOS: Want to learn tips for viewing edu YouTube videos including changing the speed, language, viewing the transcript, etc? https://www.amoebasisters.com/pinkys-ed-tech-favorites/10-youtube-tips-from-an-edu-youtuber-duo MUSIC: Our intro music designed and performed by Jeremiah Cheshire. End music in this video is listed free to use/no attribution required from the YouTube audio library null COMMUNITY: We take pride in our AWESOME community, and we welcome feedback and discussion. However, please remember that this is an education channel. See YouTube's community guidelines and how YouTube handles comments that are reported by the community. We also reserve the right to remove comments. TRANSLATIONS: Thank you for those that have translated the subtitles!! German subtitles translated by Laura Bilinson. Romanian subtitles translated by Proseanchin Tudor-Ioan. Some translated subtitles on our videos were translated by the community using YouTube's community-contributed subtitle feature. After the feature was discontinued by YouTube, we have another option for submitting translated subtitles here: https://www.amoebasisters.com/pinkys-ed-tech-favorites/community-contributed-subtitles We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. If you have a concern about community contributed contributions, please contact us. We have an authorized channel with our videos dubbed in Spanish here https://www.youtube.com/channel/UC1Njo3LBy53cOPngz6ArV8Q