What is responsible for identifying foreign invaders and remains in the system for a long period of time? A. Antigens. B. Red blood cells. C. Lymph nodes. D. Axons. Will mark brainliest This is for Science
Ok, so this is simple. I'll define each one. Axons: Part of the nerve cell... Not this one! Lymph nodes: Part of the throat that filters germs... Nope! Red blood cells: These fight off intruders... NOPE! Antigens: a toxin or other foreign substance... YUP!!!