The skin is often considered just an external covering ...


is a multifaceted organ with roles that extend beyond mere protection. It serves as the body's first line of defense against pathogens, regulates temperature through sweating and vasodilation, and provides sensory information through a dense network of nerve endings. Moreover, the skin plays a role in vitamin D synthesis, essential for bone health. Its layers, from the epidermis to the dermis and subcutaneous tissue, each have specialized functions ensuring both protection and communication with the external environment.