Skin is the soft outer tissue covering vertebrates. Other animal coverings, such as the arthropod exoskeleton, have different developmental origin, structure and . The human skin is the outer covering of the body. In humans, it is the largest organ of the integumentary system. The skin has up to seven layers of ectodermal . Aug 25, 2017 - The skin is the largest organ of the body, with a total area of about 20 square feet. . The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone. The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat . The skin is one of our body's heaviest and largest organs. Depending on body size and mass, it weighs between 3.5 and 10 kilos (7.5 and 22 pounds) and is 1.5 . Human skin, in human anatomy, the covering, or integument, of the body's surface that both provides protection and receives sensory stimuli from the external . Your epidermis is the top part of your skin, and your skin is your body's largest and fastest-growing organ. Skin is your body's coat. It protects you. It helps you . Quick! What's the body's biggest organ? You might be surprised to find out it's the skin, which you might not think of as an organ. No matter how you think of it, .