Or download our app "Guided Lessons by Education.com" on your device's app store.
Looking for a way to learn about your insides without having to sit in front of an x-ray? Look no further than our Inside-Out Anatomy series, which lets you see your body in a whole new light. With this page, you can learn about the immune system, which keeps us healthy and well.
See the rest of the "Inside-Out Anatomy" series here.