Skin Basics
Overview of the skin 1.Skin is the tissue on the surface of the body that is wrapped outside the muscles, and is the largest organ of the human body. 2.Skin is composed of epidermis, dermis, subcutaneous tissue, and contains skin appendages, abundant nerves, blood vessels, lymphatic vessels, muscles and fascia. 3.Adult skin body surface area is about 1.5-2m2. 4.The weight of the skin accounts for about 5%-16% of the total body weight.