Answer:
Epidermis, dermis and hypodermis
Explanation:
The first layer is the epidermis, it is the layer that protects the organism against infection and pathogens. Most of this layer is composed by keratinocytes and it has a stratified squamous epithelium: This layer is not just a defensive barrier it also regulates the temperatures due to water loses contained in its cells and finelly it contains melanine that gives the pigment to the skin
The dermis is the second layer it also works as a termic barrier: the cells contained in this layer are adipocites and fibroblasts mainly. this layer also contain a lot of vessels that give nutrients to the bottom layers of the epidermis another function is to give strenght and elasticity to the skin
Hypodermis is the last one it has a lot of fat cells and conective tissue giving support and energy to the other layers.
