AP BIOLOGY

Detailed explanation-1: -Your epidermis is the outermost layer of skin on your body. It protects your body from harm, keeps your body hydrated, produces new skin cells and contains melanin, which determines the color of your skin.

Detailed explanation-2: -The epidermis is the thin outer layer of the skin. It consists of 2 primary types of cells: Keratinocytes. Keratinocytes comprise about 90% of the epidermis and are responsible for its structure and barrier functions.

Detailed explanation-3: -The outer layer (epidermis) The outermost layer of skin which you can see is called the epidermis. It is mostly made up of cells that produce keratin (keratinocytes). These cells are gradually pushed to the surface of the skin by newer cells, where they harden and then eventually die off.

Detailed explanation-4: -Skin functions and Layers Skin is the largest organ of the body. It has an area of 2 square metres (22 square feet) in adults, and weighs about 5 kilograms. The thickness of skin varies from 0.5mm thick on the eyelids to 4.0mm thick on the heels of your feet.