caption: The Body's First Line of Defense
exif: {"Image DocumentName": "The Body\u2019s First Line of Defense", "Image ImageDescription": "The Role of Normal Microbiota in Innate Immunity. Microbial antagonism. Normal microbiota compete with potential pathogens. Normal microbiota make it hard for pathogens to compete. Consume nutrients. Create an environment unfavorable to other microorganisms. Help stimulate the body\u2019s second line of defense. Promote overall health by providing vitamins to host. \u00a9 2012 Pearson Education Inc. 9.", "Image XResolution": "200", "Image YResolution": "200", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}