Posts Tagged ‘melanin’
What is Epidermis
Our skin is made up of a few layers and the outer most layer of skin is the epidermis which made up of epithelial cells and do not contain any blood sells. The epidermis’s main function is to protect and absorb nutrients. It is by far human body’s first defense system by acting as a major barrier in the most hostile environment. The thinnest layer of an epidermis lies on the eyelids whereas the thickest area lies on the palms and soles. The variation...