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The human integumentary system is made up of nails, hair, skin, nerves and exocrine glands. One ofthe important functions of the this system to protect the body from the external environment. Itprotects the body from disease, regulates body temperature, eliminates waste products, and helpsin retention of body fluids. The integumentary system acts as a natural barrier to the outside world.The integument is a protective outer layer of a plant or animal. The skin despite being only about afew millimetres thick, is one of the largest organs of the body. The integumentary system is about16% of the weight of the body.The integumentary system functionsThe integumentary system functions are numerous like protection of the body from the externalenvironment. Some of the functions of the integumentary system are that it behaves like a receptorfor pain, pressure, touch, cold and heat. It protects the body from invasion by infectious microbesand other organisms and also from dehydration. The integumentary system helps dispose of wastematerials from the body and it also stores water and fat.Integumentary diseases and disorders listThe integumentary system is prone to many disorders and diseases. The skin is the body’s initialdefence from microbes, bacteria and viruses. There are various diseases which affect the humanintegumentary system like congenital skin diseases like Psoriasis, Eczema and Dermatitis. There arealso bacterial skin diseases like Acne rosacea, Acne Vulgaris, Impetigo. Viral skin conditions likeVerrucas, Warts, Herpes, Herpes zoster, Herpes simplex and fungal skin infections like TineaCorporis, manus, pedis, Veruccas and Boils and Folliculitis. These were some disorders of theintegumentary systemOrgans of the integumentary systemThe most important organ of the integumentary system is the skin which is composed of the dermisand the epidermis. The dermis lies below the epidermis and the epidermis is the outermost or lastlayer of the skin. The Dermis is thicker than the Epidermis and consists of the hair follicles, bloodvessels and various glands. Hypodermis is the third layer of the skin and it is not a part of theintegumentary system but helps in the functioning of the skin therefore, it is being discussed here.The function of the hypodermis is to attach the skin to the underlying tissues. This layer alsoprovides insulation and padding for the body as one half of this layer is made up of fat.Glands of the skin include the sebaceous glands and sweat glands. The sweat secreted by the sweatglands cools down the body due to its evaporation. Sebaceous glands secrete an oily substancewhich protects the hair and the skin and this oily substance is known as the sebum. Hair and nailsare additional organs of the integumentary system and these are mostly made up Keratin. Hair trapsair around the body and which then acts as an insulating layer. The hair inside the nasal chambersand the eyelashes protect the nose and the eye from dust particles entering into them. Nails are ahard and thick layer of keratinized cells and they protects the tips of fingers and toes.The integumentary system and other systemsThe skin as well as other different parts of the integumentary system work with other systems in thebody to support and maintain the conditions of the tissues, organs and cells so that they are able tofunction properly. The integumentary system works closely with digestive system to enhance theuptake of calcium from the diet. A good digestive system is also responsible for the healthyfunctioning of the skin. The assimilation and digestion of dietary fats and oils is important for thebody so that it is able to make protective oils for the hair and the skin. Immune cells live in the skinand provide protection from various kinds of infection. The integumentary system also works withthe circulatory system and the surface capillaries through the body. These were some of the ways inwhich the integumentary system works with the other systems of the body.MetadescriptionHuman integumentary system protects the body from a number of diseases and disorders and otherthings related to it are mentioned in the blog.FacebookThe integumentary system in humans consists of hair, skin, nails, etc. The most important system ofthis system is to protect humans from various disorders. Other details are mentioned in the blog.TwitterThe integumentary system protects the body from various kinds of diseases.

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