PATHOLOGY

Detailed explanation-1: -One of the main functions of the skin is protection. It protects the body from external factors such as bacteria, chemicals, and temperature. The skin contains secretions that can kill bacteria and the pigment melanin provides a chemical pigment defense against ultraviolet light that can damage skin cells.

Detailed explanation-2: -The epidermis: Acts as a protective barrier: The epidermis keeps bacteria and germs from entering your body and bloodstream and causing infections. It also protects against rain, sun and other elements. Makes new skin: The epidermis continually makes new skin cells.

Detailed explanation-3: -The dermis is called true skin because the vital functions of the skin and the structures found in the skin are located in the dermis. The dermis layer is made up of connective tissue, blood vessels, nerves, glands, and hair follicles. It provides the skin with structure and resilience.