Layers Of Human Skin

The human skin is the largest organ that covers our entire body, although it may seem simple, the skin carries out many functions. The skin has three main layers also known as the Epidermis, Dermis, and the Hypodermis. The Epidermis is the outermost layer that shields the body and consists of four cells types and five distinct layers. The Dermis is right under the Epidermis which contains strong connective tissue. This layer also contains our hair follicles that help regulate our body temperatures, nerve endings which let’s us sense, and sweat glands which help the skin keep moist. Lastly, the Hypodermis also known as the “Fat layer”, it isn’t necessarily part of the skin but contains fat cells that help us insulate body temperature. Three
Our body also releases waste in the form of sweat to take out any unnecessary fluids such as sodium chloride (water and salt). Sensation in our skin lets sense heat, cold, or pain. Lastly, heat regulation occurs when the skin is getting rid of heat while the body is trying to keep cool. The structure of the skin can be actually quite simple; it contains 3 layers as explained earlier. The Epidermis contains the basal layer that constantly renews cells, that means while old cells are dying new cells are growing in. The Epidermis also contains cells such as Kerantinocytes, Melanocytes, Dendritic cells, and Tactile cells. Kerantinocytes are what produces keratin which is a protein that lets our skin build protective barriers. Melanocytes produce the pigment melanin which determines the color of your skin and hair. Dendritic cells come from bone marrow and rise to the epidermis. Lastly, Tactile cells are sensory receptors that let us feel the sensation when we touch. The Dermis consists of many different tissues and structures. To begin with the dermis is made up of connective tissue, this packs, and bind other skins