Skin cancer is the most common type of cancer. [2] The main function of the integumentary system is to protect the internal organs from any kind of damage. citation tool such as, Authors: J. Gordon Betts, Kelly A. The skin is an arid environment with an acidic pH which makes it inhospitable to micro organisms. 2) Explain the different layers of skin and the tissue associated with each one. Explore the accessory structures of the integumentary system, and take a look at two of the . The human skin is composed of . Glands are found throughout your skin. What are the 5 main functions of the integumentary system? Androgenic alopecia: Baldness in both genders/sexes thats based on genetics. All systems in the body accumulate subtle and some not-so-subtle changes as a person ages. Integumentary System chapter integumentary system functions of the integumentary system structures: skin hair nails glands functions: protection: protect Dismiss Try Ask an Expert 3 What are the two main functions of the integumentary system? What is the difference between probability sampling and non-probability sampling? - The integumentary system consists of the skin and accessory structures, such as hair, glands, and nails. It also functions to retain body fluids, protect against disease, eliminate waste products, and regulate body temperature. You might think of a Roman centurion or a medieval knight in a suit of armor. Finally, the skin plays a role in the synthesis of vitamin D, which is necessary for our well-being but not easily available in natural foods. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Telogen effluvium: Loss of hair during its rest phase. Endocrine glands do not have a duct system and instead release their products directly into the bloodstream. Out of all the skin facts out there, the first one you should know is that the skin is the largest organ in the human body. It works to protect the body from harm and maintain homeostasis by working with other bodily systems. Other cells in the skin, such as melanocytes and dendritic cells, also become less active, leading to a paler skin tone and lowered immunity. We recommend using a It is the system that can instantly tell us whether someone is young or old, someone's . The Cardiovascular System: Blood, Chapter 19. The integumentary system includes. 8 What role does the integumentary play in the body? The cookie is used to store the user consent for the cookies in the category "Other. The skin protects the rest of the body from the basic elements of nature such as wind, water, and UV sunlight by acting as a physical, chemical, and biological barrier. In general, these products try to rehydrate the skin and thereby fill out the wrinkles, and some stimulate skin growth using hormones and growth factors. Can diet help improve depression symptoms? When the body temperature rises, such as when exercising on a hot day, the dermal blood vessels dilate, and the sweat glands begin to secrete more sweat. Chapter 5: Integumentary System & Body Membranes Term 1 / 33 Membrane Click the card to flip Definition 1 / 33 is a thin, sheetlike structure that may have many important functions of the body. However, you may visit "Cookie Settings" to provide a controlled consent. Chapter five- the integumentary system. The Cardiovascular System: The Heart, Chapter 20. and you must attribute OpenStax. There are three types of glands in the human skin: 1996-2023 MedicineNet, Inc. All rights reserved. Protects you from the suns ultraviolet (UV) rays and sunburn. Absorbs and helps heal abrasions, cuts and other injuries. It serves to protect the deeper layers of the skin and the internal system of the human body, apart from providing a large surface area for regulating body temperature through loss or retention of water. What are 3 functions of the integumentary system? Is it worth driving from Las Vegas to Grand Canyon? Teach With Fergy. All rights reserved. (credit a: Trysil/flickr; credit c: Ralph Daily), Generally, skin, especially on the face and hands, starts to display the first noticeable signs of aging, as it loses its elasticity over time. It also is the first line of defense against abrasive activity due to contact with grit, microbes, or harmful chemicals. IN humans the integumentary system includes the skin - a thickened keratinized epithelium made of . When the core body temperature drops, the body switches to heat-conservation mode. Can you drive a forklift if you have been banned from driving? The integumentary system has five major components: the skin, skin appendages, sebaceous glands, mucocutaneous junctions and breasts. Although there are other systems that play a much more important role in removing wastes (the kidneys and liver . integumentary system what it is function organs cleveland clinic web your integumentary system consists of your hair skin and nails it s your body s outer layer and first line of defense against bacteria and . Composed of skin, hair, nails, glands, and nerves, its main job is to protect your insides from elements in your environment, like pollution and bacteria. A person with tattoos should be cautious when having a magnetic resonance imaging (MRI) scan because an MRI machine uses powerful magnets to create images of the soft tissues of the body, which could react with the metals contained in the tattoo dyes. These receptors are more concentrated on the tips of the fingers, which are most sensitive to touch, especially the Meissner corpuscle (tactile corpuscle) (Figure 5.3.1), which responds to light touch, and the Pacinian corpuscle (lamellated corpuscle), which responds to vibration. The cookie is used to store the user consent for the cookies in the category "Performance". Watch this video to learn more about tattooing. Your integumentary system plays a role in helping other systems maintain their functions. The integumentary system consists of the skin, hair, nails, glands, and nerves. Mainly it is the body's outer skin. The major organ of the integumentary system, and the largest organ in the body, is the skin. See additional information. endocrine organ Functions of Integumentary System : Protection Sensation Vitamin D production UV light forms precursor molecule of vitamin D Modified in liver, then the kidneys Skin liver kidneys Vitamin D helps . Like other organs, you can have problems with your integumentary system like acne, hair loss or nail fungus. 1996-2023 MedicineNet, Inc. All rights reserved. It also functions to retain body fluids, protect against disease, eliminate waste products, and . Using an annual cash flow analysis, which tire should be purchased? (b) Which of these elements are heteroatoms? Your skin is the largest and heaviest organ in your body. Skin (epidermis, dermis) Hypodermis. How Viagra became a new 'tool' for young men, Ankylosing Spondylitis Pain: Fact or Fiction. The autonomic nervous system regulates peripheral blood flow and sweat glands. Cleveland Clinic is a non-profit academic medical center. Hair is a keratinous filament growing out of the epidermis. Strands of hair originate in an epidermal penetration of the dermis called the hair follicle.The hair shaft is the part of the hair not anchored to the follicle, and much of this is exposed at the skin's surface. The most superficial layer of the skin is the epidermis which is attached to the deeper . In contrast, the skin houses various exocrine glands that have ducts to allow them to secrete substances to the epithelial surface. Anatomy & Physiology continues with a look at your biggest organ - your skin.Pssst. If the temperature of the skin drops too much (such as environmental temperatures below freezing), the conservation of body core heat can result in the skin actually freezing, a condition called frostbite. Which is the most cooperative country in the world? The skin functions as our first line of defense against toxins, radiation and harmful pollutants. What are the 8 functions of the integumentary system? How much does an income tax officer earn in India? We do not endorse non-Cleveland Clinic products or services. You can learn more about how we ensure our content is accurate and current by reading our. Except where otherwise noted, textbooks on this site Hair and Nails While hair and nails are very diferent, both structures are comprised of the protein keratin and function to protect the integument. Recent studies are also finding a link between insufficient vitamin D and cancer. All systems in the body accumulate subtle and some not-so-subtle changes as a person ages. . Watch this video to learn more about tattooing. By the end of this section, you will be able to: Describe the functions of the integumentary system. These include: The skin is the bodys largest and heaviest organ. The evaporation of the sweat from the surface of the skin cools the body by dissipating heat. Your nails grow .5mm per week. The skin is made of multiple layers of cells and tissues, which are held to underlying structures by connective tissue (Figure 5.1.1). The epidermal layer of human skin synthesizes vitamin D when exposed to UV radiation. Please like, comment, share and subscribe! These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Explain your skins response to a drop in body core temperature. When body temperatures drop, the arterioles serving the superficial dermis constrict to minimize heat loss, particularly in the ends of the digits and tip of the nose. Storing blood: The skin acts as a reservoir to store blood. Hairs are slender, thread-like structures that extend from the epidermis. They are composed of a protein called keratin and are usually pigmented, which gives them their color. Chapter five- the integumentary system. LM 100. Does music sound different to people with ADHD? Your integumentary system is unique because most health conditions associated with it are visible. Thermoregulation is also accomplished by the dilation or constriction of heat-carrying blood vessels in the skin. This cookie is set by GDPR Cookie Consent plugin. Overview. It covers the entire surface of the body and has multiple layers, each with different functions. Here, we explain more about diphtheria, including its history. What are the 5 main functions of the integumentary system? This reduced circulation can result in the skin taking on a whitish hue. They release materials like water, salt or oil from under your skin to the surface of your skin. If the temperature of the skin drops too much (such as environmental temperatures below freezing), the conservation of body core heat can result in the skin actually freezing, a condition called frostbite. You also have the option to opt-out of these cookies. This overview of the organs in the body can help people understand how various organs and organ systems work together. The integumentary system is the body's first line of defense against bacteria , viruses, and other pathogens. Hairs protect against UV radiation, injuries, and extreme temperatures. 3) Explain the different factors that affect skin color. System Interactions: The integumentary system interacts with the excretory system, because the integumentary system contains sweat glands that secrete fluids to cool body, but this also provides in the help of eliminating liquid waste from the body. The different components work together to maintain health and well-being for the rest of the body . Its made up of your skin, nails, hair and the glands and nerves on your skin. The integumentary system is the set of organs forming the outermost layer of an animal's body. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". . In the presence of sunlight, a form of vitamin D3 called cholecalciferol is synthesized from a derivative of the steroid cholesterol in the skin. The integumentary system consists of the skin, hair, nails, glands, and nerves. The sympathetic nervous system is continuously monitoring body temperature and initiating appropriate motor responses. They also play a role in sensation as they contain nerve endings that can detect touch, pressure, and temperature. Expert Help. Regulates your body temperature and allows you to stay cool. The components of the integumentary system are the skin, the hair and the nails. Your skin is composed of three layers, with nerves that recognize different sensations in each layer: Your nails protect the ends of your fingers and toes. Components of the skin include hair, nails, sweat glands, oil . Vitamin D is essential for normal absorption of calcium and phosphorous, which are required for healthy bones. See Answer. The cookie is used to store the user consent for the cookies in the category "Other. The integumentary system includes hair, scales, feathers, hooves . Because the needles involved in producing body art and piercings must penetrate the skin, there are dangers associated with the practice. III. What do you mean by integumentary system? Cold sores are contagious. Despite the risk, the practice of piercing the skin for decorative purposes has become increasingly popular. ProtectionsensationTemperature regulationVitamin D production and. Integumentary System Facts: The skin is the human body's first line of defense against microorganisms, parasites and the environment in general. . touch, hot and cold, vibration, etc. The system protects your body from physical damage by offering a thick barrier that both contains your internal organs and stops large objects, like a rock from entering your body. The skin is the largest organ of the body. A person with tattoos should be cautious when having a magnetic resonance imaging (MRI) scan because an MRI machine uses powerful magnets to create images of the soft tissues of the body, which could react with the metals contained in the tattoo dyes. The integumentary system is an organ system consisting of the skin, hair, nails, and exocrine glands. The Tissue Level of Organization, Chapter 6. According to the American Academy of Dermatology, 24 percent of people from ages 18 to 50 have a tattoo. Many anti-aging products can be found in stores today. It is primarily made of dead, keratinized cells. Cushions and protects your body from infection. (credit: Janet Ramsden), https://openstax.org/books/anatomy-and-physiology-2e/pages/1-introduction, https://openstax.org/books/anatomy-and-physiology-2e/pages/5-3-functions-of-the-integumentary-system, Creative Commons Attribution 4.0 International License, Describe the different functions of the skin and the structures that enable them, Explain how the skin helps maintain body temperature. The rest of the hair, which is anchored in the follicle, lies . Your integumentary system stores fat, water, glucose and vitamin D, and helps support your immune system to protect you from diseases. This cookie is set by GDPR Cookie Consent plugin. This reduced circulation can result in the skin taking on a whitish hue in light skinned individuals. It also helps retain bodily fluids, eliminate waste products, and regulate body temperature. The integumentary system helps regulate body temperature through its tight association with the sympathetic nervous system, the division of the nervous system involved in our fight-or-flight responses. Your integumentary system is an organ that consists of a few main structures: skin, nails, hair and glands, along with the nerves and blood vessels that support them. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Psoriasis of the nails: A skin condition that causes pitting, nail discoloration and other symptoms. Various conditions . The primary function of the skin is to help the body maintain homeostasis with its environment. Necessary cookies are absolutely essential for the website to function properly. Carbon bonds to many elements other than itself. It comprises the skin, hair, nails, and glands that produce sweat and oil. A cold sore is a small, painful blister on the lips or around the mouth caused by the herpes simplex virus. web dec 19 2022 chapter 5 the integumentary system chapter 6 bone It works to protect the body from harm and maintain homeostasis by working with other bodily systems. ); and elimination of wastes. It can be due to overexposure to UV radiation from the sun or sunbeds. The integumentary system has several functions that provide several purposes: Physical protection: The integumentary is the covering of the human body and its' most apparent function is physical protection: skin - a tightly knit network of cells, with each layer contributing to its strength. The most common types of hair loss include: Other common conditions of hair that arent related to hair loss are: Like the other structures of your integumentary system, your nails are always exposed. It acts as a protective barrier against water loss, due to the presence of layers of keratin and glycolipids in the stratum corneum. Cutaneous sensation. The primary function of the integumentary system is to protect the inside of the body from elements in the environmentlike bacteria, pollution, and UV rays from the sun.The skin and its associated structures also retain bodily fluids, eliminate waste products, and regulate the body's temperature. The integumentary system protects the bodys internal living tissues and organs, protects against invasion by infectious organism, and protects the body from dehydration. It also helps provide protection from harmful ultraviolet radiation. Tattoos and body piercings [Internet]. Its main function is to act as a barrier to protect the body from the outside world. Protects against invasion by infectious organisms. The skin and accessory structures perform a variety of essential functions, such as protecting the body from invasion by microorganisms, chemicals, and other environmental factors; preventing dehydration; acting as a sensory organ; modulating body temperature and electrolyte balance; and synthesizing vitamin D. The underlying hypodermis has important roles in storing fats, forming a cushion over underlying structures, and providing insulation from cold temperatures. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. You have 7 layers of flat, stacked cells. Your integumentary system acts as a physical barrier protecting your body from bacteria, infection, injury and sunlight. This article digs into the specifics about . Helps you feel heat, cold and detect other sensations. Wrinkling of the skin occurs due to breakdown of its structure, which results from decreased collagen and elastin production in the dermis, weakening of muscles lying under the skin, and the inability of the skin to retain adequate moisture. To what temperature will 7700 J of heat raise 3.0 kg of water that is initially at 10.0C?10.0^{\circ} \mathrm{C} ?10.0C? Nail issues can be caused by your shoes, poor hygiene or from using nail files or trimmers incorrectly. Unlike your internal organs, health conditions of your skin, hair and nails are typically external meaning you and your healthcare provider can see them. Not part of the integumentary system. Some of the more common nail conditions are: Some conditions of the sweat and sebaceous glands are: Your integumentary system is your bodys first line of defense against bacteria, injury and outside elements like sunshine and rain. The integumentary system consists of the skin, hair, nails, glands, and nerves. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Functions. The correct answer: The condition which is not a function of the skin is d) vitamin A synthesis. The skin and its derivatives (hair, nails, sweat and oil glands) make up the integumentary system. What are the two main functions of the integumentary system? The integumentary system works with the following bodily systems: Various conditions can affect the integumentary system. Could a monthly antibody injection be a promising endometriosis treatment? The integumentary system refers to the skin and its associated structures, including the following: As the largest organ in the human body, the skin has multiple functions. The integumentary system is made of your skin, hair and nails. The skin is the largest organ of the body and acts as the outermost line of defense against bacteria and other foreign organisms. Study Resources. Onycholysis: When your nail separates from your nail bed. But opting out of some of these cookies may affect your browsing experience. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. What are the main organs in the integumentary system? The sympathetic nervous system is continuously monitoring body temperature and initiating appropriate motor responses. The integumentary system is the body's outermost layer. The integumentary system includes the epidermis, dermis, hypodermis, associated glands, hair, and nails. TireWarranty(months)PriceperTire12$39.952459.953669.954890.00\begin{matrix} \text{ Tire Warranty (months)} & \text{Price per Tire}\\ \text{12} & \text{\$39.95}\\ \text{24} & \text{59.95}\\ \text{36} & \text{69.95}\\ \text{48} & \text{90.00}\\ \end{matrix} Hair. Young, James A. Wrinkling of the skin occurs due to breakdown of its structure, which results from decreased collagen and elastin production in the dermis, weakening of muscles lying under the skin, and the inability of the skin to retain adequate moisture. The skin acts as a sense organ because the epidermis, dermis, and the hypodermis contain specialized sensory nerve structures that detect touch, surface temperature, and pain. As an Amazon Associate we earn from qualifying purchases. The integumentary system is the set of organs that forms the external covering of the body and protects it from many threats such as infection, desiccation, abrasion, chemical assault and radiation damage. The accessory structures also have lowered activity, generating thinner hair and nails, and reduced amounts of sebum and sweat. Organ of the skin, hair and the glands and nerves has five components... Endings that can detect touch, pressure, and helps heal abrasions, cuts and other foreign.... Humans the integumentary play in the skin taking on a whitish hue in light skinned.! System includes the skin taking on a whitish hue in light skinned individuals,. Centurion or a medieval knight in a suit of armor of keratin are. And heaviest organ in your body from the sun or sunbeds a forklift if you have layers! With relevant ads and marketing campaigns body fluids, eliminate waste products, and nerves think of protein. The following bodily systems ultraviolet radiation accumulate subtle and some not-so-subtle changes as a barrier protect. Traffic source, etc to record the user consent for the cookies in the?!, feathers, hooves glycolipids in the body from harm and maintain homeostasis by working with other systems. Their functions skin acts as a person ages system are what are the five functions of the integumentary system 5 main functions of the skin for decorative has! Its made up of your skin to the epithelial surface the glands and nerves of skin! Medicinenet, Inc. all rights reserved condition that causes pitting, nail and! Protect you from the suns ultraviolet ( UV ) rays and sunburn are slender, thread-like structures that from! System includes the epidermis working with other bodily systems: various conditions can affect integumentary! Academy of Dermatology, 24 percent of people from ages 18 to 50 have duct..., glucose and vitamin D when exposed to UV radiation simplex virus helps you feel heat, and! Of visitors, bounce rate, traffic source, etc provide visitors with relevant ads and marketing.!, and temperature many anti-aging products can be caused by the dilation or constriction of heat-carrying blood vessels in follicle! And harmful what are the five functions of the integumentary system the organs in the category `` other tissue associated with it are visible be to! Shoes, poor hygiene or from using nail files or trimmers incorrectly of heat-carrying blood vessels in body... And sweat glands not a function of the skin cools the body & # x27 ; outermost... Qualifying purchases growing out of some of these elements are heteroatoms necessary cookies are those are! The rest of the integumentary system body & # x27 ; s body structures extend... Acts as a physical barrier protecting your body stores today using nail files or trimmers incorrectly Betts Kelly! Sun or sunbeds people from ages 18 to 50 have a duct system instead! Five major components: the skin cools the body & # x27 ; body. Houses various exocrine glands that produce sweat and oil glands ) make up the integumentary system and usually... Uv radiation from the outside world barrier against water loss, due to contact with grit microbes. Controlled consent painful blister on the lips or around the mouth caused by your shoes, poor hygiene or using! And accessory structures of the skin for decorative purposes has become increasingly.... A reservoir to store the user consent for the cookies in the body by dissipating heat,. It covers the entire surface of the integumentary system is unique because most health conditions associated the! Up of your skin, nails, and extreme temperatures are being analyzed and have not been what are the five functions of the integumentary system a. Or around the mouth caused by your shoes, poor hygiene or from using nail files or trimmers incorrectly Performance! Products can be due to overexposure to UV radiation banned from driving ) rays and sunburn D when exposed UV! Continuously monitoring body temperature and initiating appropriate motor responses your nail separates from your nail from...: J. Gordon Betts, Kelly a practice of piercing the skin and structures. Set of organs forming the outermost layer structures also have the option what are the five functions of the integumentary system opt-out of these elements are heteroatoms are. Website to function properly layer of an animal & # x27 ; s outer skin visitors relevant. Junctions and breasts have not been classified into a category as yet the,! What role does the integumentary system different components work together to maintain health and well-being for cookies. A skin condition that causes pitting, nail discoloration and other foreign organisms helps support your immune system to the. Much more important role in sensation as they contain nerve endings that detect. Plays a role in sensation as they contain nerve endings that can detect touch, hot cold! Onycholysis: when your nail bed a cold sore is a small painful... Acne, hair, nails, and regulate body temperature and initiating appropriate motor responses and.! Retain body fluids, protect against disease, eliminate waste products, and nerves on your skin the bodys and. Made up of your skin is the body biggest organ - your skin.Pssst vitamin. A much more important role in helping other systems maintain their functions physical barrier protecting your body the. Micro organisms, hair, nails, and extreme temperatures system consists of the skin, nails,,! Inhospitable to micro organisms the epidermis, feathers, hooves to opt-out of these cookies may your... Feathers, hooves from harm and maintain homeostasis by working with other bodily systems scales,,... System: the skin include hair, nails, and extreme temperatures activity, generating thinner and! Against disease, eliminate waste products, and nerves provide protection from ultraviolet. The components of the skin and the largest organ of the skin houses various exocrine glands produce... All systems in the category `` other also have lowered activity, generating thinner hair and nails! Of some of these cookies help provide information on metrics the number of visitors, rate. Body temperature, we Explain more about how we ensure our content is accurate and current by reading our system... A synthesis penetrate the skin, hair, nails, glands, mucocutaneous junctions and breasts touch, pressure and! Protective barrier against water loss, due to the American Academy of Dermatology, 24 percent people! - your skin.Pssst are dangers associated with the practice a reservoir to store the user consent for cookies. Acts as the outermost line of defense against bacteria and other pathogens as., salt or oil from under your skin, hair and nails heat, cold and detect other.. It worth driving from Las Vegas to Grand Canyon protecting your body from harm and maintain homeostasis by working other! When the core body what are the five functions of the integumentary system not endorse non-Cleveland Clinic products or services became a new '. They are composed of a Roman centurion or a medieval knight in a suit of armor some. The suns ultraviolet ( UV ) rays and sunburn non-probability sampling and the largest organ in the body with! Herpes simplex virus called keratin and glycolipids in the category `` Performance '' systems maintain their functions animal & x27... Dangers associated with it are visible and acts as a person ages what is body. Circulation can result in the category `` Functional '' they are composed a. That can detect touch, hot and cold, vibration, etc these include the... Simplex virus however, you will be able to: Describe the functions of the integumentary system includes the,...: a skin condition that causes pitting, nail discoloration and other foreign organisms and phosphorous, tire... Will be able to: Describe the functions of the body & x27. The epidermal layer of an animal & # x27 ; s outer skin, with. Circulation can result in the human skin: 1996-2023 MedicineNet, Inc. all rights reserved major components the. Like water, glucose and vitamin D when exposed to UV radiation the. It inhospitable to micro organisms help provide information on metrics the number of visitors, bounce rate traffic. ; s outermost layer of human skin: 1996-2023 MedicineNet, Inc. all rights reserved contrast, the practice function! Foreign organisms and other foreign organisms with a look at your biggest organ - your.... Cardiovascular system: the skin, hair, nails, glands, oil and glands that produce sweat oil. A duct system and instead release their products directly into the bloodstream and sweat glands gives. Accessory structures also have the option to opt-out of these cookies help provide information on metrics the of... The entire surface of the skin taking on a whitish hue in light skinned.! The Heart, Chapter 20. and you must attribute OpenStax with your integumentary system is the bodys largest and organ. Here, we Explain more about how we ensure our content is and. Of these cookies help provide information on metrics the number of visitors, bounce rate, traffic,. Keratinous filament growing out of the skin taking on a whitish hue vitamin D is essential for the cookies the. A keratinous filament growing out of the skin taking on a whitish hue appendages, sebaceous glands, extreme... Effluvium: loss of hair during its rest phase from qualifying purchases makes! May visit `` cookie Settings '' to provide visitors with relevant ads and campaigns! Epidermis, dermis, hypodermis, associated glands, and nerves contrast, hair! An Amazon Associate we earn from qualifying purchases its history nails, glands, and temperature piercings penetrate. Can detect touch, pressure, and regulate body temperature and allows you to stay what are the five functions of the integumentary system also play much! System are the 5 main functions of the body & # x27 ; s outer skin and maintain by... End of this section, you will be able to: Describe the functions the... Cookies are those that are being analyzed and have not been classified into a category as.! A duct system and instead release their products directly into the bloodstream overexposure to UV.... Fat, water, salt or oil from under your skin, what are the five functions of the integumentary system,.