caption: immune and antigen system
exif: {"Image DocumentName": "What is immunity?Immunity is the body s ability to fight off harmful micro-organisms \u2013PATHOGENS- that invade it.", "Image ImageDescription": "The immune system produces antibodies or cells that can deactivate pathogens. Fungi, protozoans, bacteria, and viruses are all potential pathogens.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}