Explore how your immune system’s vast network of cells, tissues, and organs coordinate your body’s defenses against bacteria, viruses and toxins.--The immune system is a vast network of cells, tissues, and organs that coordinate your body’s defenses against any threats to your health. Without it, you’d be exposed to billions of bacteria, viruses, and toxins that could make something as minor as a paper cut or a seasonal cold fatal. So how does it work? Emma Bryce takes you inside the body to find out.Lesson by Emma Bryce, animation by Cabong Studios.Sign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagramView full lesson: https://ed.ted.com/lessons/how-does-the-immune-system-work-emma-bryceThank you so much to our patrons for your support! Without you this video would not be possible! Antero Semi, Yanuar Ashari, Mrinalini, Anthony Kudolo, Scott Gass, Querida Owens, David Lucsanyi, Hazel Lam, Jhiya Brooks, Manav parmar, Dwight Tevuk, Stephen A. Wilson, Siamak H, Dominik Kugelmann, Michel Reyes, Katie Winchester, Mary Sawyer, Ryan Mehendale, David Rosario, Samuel Doerle, Be Owusu, Susan Herder, Savannah Scheelings, Prasanth Mathialagan, Yanira Santamaria, Chad Harper, Dawn Jordan, Chris Mathew, Constantin Salagor, Activated Classroom Teaching, Kevin Wong, Umar Farooq, Goh Xiang Ting Diana, Dmitry Neverov, Tushar Sharma, Cristóbal Medina Moenne.