caption: Specific Defense Mechanisms: The Third Line of Defense
exif: {"Image DocumentName": "Specific Defense Mechanisms: The Third Line of Defense", "Image ImageDescription": "The immune response. Characteristics. Recognizes and targets specific pathogens and foreign substances. Has memory \u2014 remembers initial exposure and responds more quickly and aggressively on subsequent exposures. Able to distinguish between. Self cells and foreign, non-self invaders. Healthy cells and abnormal (tumor) cells.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}