Note: These training videos are the same videos you will experience when you take the full ProBloodBorne program. Your progress in watching these videos WILL NOT be tracked. You may begin the ProBloodBorne training and test for free at any time to start officially tracking your progress toward certification.

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Skin is the largest organ of the body. It contains blood vessels, sensory receptors, nerves, and sweat glands. It is made up of the Epidermis and the dermis and varies in thickness from 1.5 to 4 mm or more. Skin is the first line of defense against infection. Skin Diseases, disorders, and conditions include persons with boils, infected wounds, open sores, abrasions, or weeping dermatological lesions. Commonly spread skin diseases include bacteria, viruses, and fungi.