How does dilation of the blood vessels of the skin reduce the temperature of the skin surface? This is because it contains the only cells of the epidermis that can divide via the process of mitosis, which means that skin … What is the Function of the Integumentary System? What is the function of the stratum spinosum? Stratum corneum . Distinguish between serous and mucous membranes: 21. The other layers... Our experts can answer your tough homework and study questions. answer! Stratum basale. stratum basale. A clear, transparent layer through which light can pass, Cells look like granules, and they are pushed to surface to replace cells that are shed. The middle layer of skin, the dermis, contains blood vessels, nerves, and glands that are important for our skin's function. Five Layers of the Epidermis The 5 layers of epidermis in … stratum corneum 22. stratum corneum 23. papillary layer; reticular layer 24. collagen; elastic 25. water 26. papillary layer 27. ____Which layer of epidermis would be gradually shed through bathing? Nervous . Nutrients and oxygen diffuse to the avascular epidermis from blood vessels in the dermis. What is the function of the stratum lucidum? Blood vessels that supply the capillaries of the papillary region are seen running through the reticular layer. which epidermal layer is closest to a blood supply. Order from the deepest layer of the epidermis to the most superficial, What two factors account for the natural demise of epidermal cells, The loss of water in the cells in the layer of dying cells and the amount of keratin that is infused in the skin (keratin makes the skin tough), Radiation from the skin surface and evaporation of sweat are two ways in which the skin helps to get rid of body _________. The subcutaneous layer contains major blood vessels that supply the skin and underlying adipose tissue. What layer of tissue is unique to the hands and feet? Keratinocytes produce the most important protein of the epidermis. The epidermis can have either four or five layers, depending on what part of the body we examine. The dermis is primarily composed of which tissue type? The deepest layer of epidermis, responsible for the growth of the epidermis. The dermis is primarily composed of which tissue type? The epidermis is itself divided into at least four separate parts. 25. Distinguish between serous and mucous membranes: 21. Which epidermal layer is closest to a blood supply? define: serous mucous. ____The dermis is primarily composed of which tissue type? The epidermis is divided into 5 sub-layers, that have different functions. What Are Sebaceous Glands? The epidermis is the outermost of the three layers that make up the skin, the inner layers being the dermis and hypodermis. Distinguish between serous and mucous membranes: 21. Which epidermal layer is closest to a blood supply? Epidermis. The epidermis is the outermost of the three layers of the skin. distinguish between hair, hair follicle and nail. B. The average adult’s skin weighs about 6 pounds c. The thickest skin on our body is on our face b. The epidermis is _____; that is, it has no blood supply of its own. Name the layers the nail pierced from the superficial skin surface to the junction with the dermis. The average adult’s skin weighs about 6 pounds c. The thickest skin on our body is on our face The epidermis is the topmost layer of skin that can touch, see and feel. __A__Which of the following is not true about the integumentary system? In this layer, the most numerouscells of the epidermis, called keratinocytes, arise thanks to mitosis. 20. What is the most common cell type in the... What is the only living layer of the epidermis? While walking barefoot in a barn, Jeremy stepped on a rusty nail that penetrated the epidermis on the sole of his foot. Higher tissue concentrations of solutes were found in the upper tissue layers of sacrificed rats, with no blood supply, compared to those in anesthetized rats. Beneath the dermis . The epidermal cells of the stratum basale are closest to these blood vessels and receive most of the nutrients and oxygen. Healthy skin cells require a constant supply of blood. Get more help from Chegg. Which epidermal layer is closest to a blood supply? Epidermis, in zoology, protective outermost portion of the skin.There are two layers of epidermis, the living basal layer, which is next to the dermis, and the external stratum corneum, or horny layer, which is composed of dead, keratin-filled cells that have migrated outward from the basal layer.The melanocytes, responsible for skin colour, are found in the basal cells. Stratum basale . __C__Which epidermal layer is closest to a blood supply? Has a layer of oil to help make this layer a protective, waterproof layer. The cells in the stratum basale bond to … Keratinocy… Epidermis Dermis 22. a. Muscle . It is composed mainly of collagen, but also contains elastic and reticular fibers, fibroblasts, and the other cells typical of fibrous connective tissue. Distinguish between the epidermis and the dermis. Stratum basale . Which epidermal layer is closest to a blood supply? Explain what happens to epidermal cells as they undergo keratinization. The organ system consisting of skin, hair, and nails, Part of the dermis that contains the hair follicles and roots, nerves, and glands, Secretes an oily substance into the hair follicle, An oily substance secreted by sebaceous glands, Lies below the dermis and contains fat and loose connective tissue, Part of the dermis that contains touch receptors. It is the layer that’s closest to the blood supply lying underneath the epidermis. Create your account. The epidermis has no blood supply and it is nourished by diffused oxygen from surrounding air. Distinguish between serous and mucous membranes: 21. ____________ is found everywhere on the body except the palms of the hands, soles of the feet, and lips, and primarily consists of dead keratinized cells. a. Which of the following is NOT part of the... Why do the living cells in the granular layer of... What are the 5 layers integumentary system? The dermis is the layer of skin beneath the epidermis that consists of connective tissue and cushions the body from stress and strain. Where in the body would you most likely find sebaceous glands? As basal cells undergo mitosis, new keratinocytes are formed and move into the more superficial layers of the epidermis. Stratum granulosum . stratum basale. This is because it contains the only cells ofthe epidermis that can divide via the process of mitosis, which means that skin cells germinate here, hence theword germinativum. Explain what happens to epidermal cells as they undergo keratinization. Stratum granulosum . Stratum corneum . The following diagram shows the layer of the skin, see all the blood vessels are in dermis. The layer of the epidermis closest to the body's blood supply is the stratum basale. The layer of the skin that contains the blood vessels and nerves closest to the surface of the skin is the _____ layer. hemoglobin(red) carotene (yellow/orange) cyanosis (blue) lack of oxygen. All rights reserved. The dermis is tightly connected to the epidermis by a basement membrane. 29. Which layer of the epidermis is the “doctor fish” removing? https://quizlet.com/326893209/integumentary-system-flash-cards It can take anywhere from six to 10 weeks for a cell to mature and journey through the layers of epidermis to its death and expulsion. a. Protection against mechanical injury, regulation of body heat, and protection against foreign invaders, The layer of the skin that lacks blood vessels is, The color of human skin depends on__________, Whether the blood within the skin is well oxygenated, carotene, and the kind and amount of pigment. Which epidermal layer marks the transition between metabolically active cells of lower layers and the dead layers of keratinocytes of the upper layers. What do acidic secretions from skin glands do? lies between the epidermis and the hypodermis. The outer layer of skin, the epidermis, provides waterproofing and serves as a barrier to infection. Epidermis Dermis 22. Stratum lucidum. True/False: The skin helps regulate body temperature by producing sweat when we are hot and by dilating blood vessels in the skin when we are cold. The dermis is structurally divided into two areas: a superficial area adjacent to the epidermis, called the papillary region, and a deep, thicker area known as the reticular region. What can the muscle do to help raise the body's temperature? Nervous b. The stratum basale, also called thestratum germinativum, is the basal (base) layer of the epidermis. ____Which of the following is not true about the integumentary system? (pg. Stratum basale . In which layer of the epidermis are cells... How many cells thick is the upper epidermis? a. Distinguish between a hair and a hair follicle Hair is developed from a group of epidermal cells or dead epidermal cells. 14 ... increased numbers of epidermal layers in the area of the injury. ____Which epidermal layer is closest to a blood supply? Sciences, Culinary Arts and Personal Dermal blood vessels supply nutrients to all skin cells. a. Stratum granulosum b. Stratum corneum c. Stratum basale d. Stratum lucidum 17. The epidermis layer provides a barrier to infection from environmental pathogens and regulates the amount of water released from the body into the atmosphere through transepidermal water loss. Connective. - Definition & Explanation, Function & Anatomy of the Muscles of the Face, Neck & Back, Personal Hygiene & Cleanliness for Massage Therapists, What is Melanin? What layer of tissue is unique to the hands and feet? A. The epidermis does not contain any blood vessels and so has to depend on the dermis layer for supply of nutrition. There are no blood vessels that supply the epidermis. The epidermis is composed of multiple layers of flattened cells that overlie … The dermis is composed largely of: Fibrous connective tissue. ... What is the most superficial layer (or layer closest to the surface of the skin) that is still capable of mitosis? Merkel cells and melanocytes are dispersed among the basal cells. 117) a. Stratum basale b. Stratum spinosum c. Stratum granulosum d. Stratum corneum 19. Which epidermal layer is closest to a blood supply? True/False: The skin makes vitamin A through exposure to UV radiation, True/False: UV radiation hurts DNA molecules in skin cells, True/False: Sweating helps lower body temperature, and people without sweat glands can die of heat. The reticular layer of the dermis contains _____ and _____ to sense firm pressure. This is the lowest level of the epidermis. Muscle c. Connective d. Epithelial 18. ___________ is a bluish cast of skin resulting from inadequate oxygenation of the blood. a. stratum germinativum C. stratum granulosum b. stratum spinosum d. stratum corneum . ________- are specialized nerve endings that respond to temperature and touch, for example, sebaceous glands and sweat glands (apocrine), Part of the heat-liberating apparatus of the body is the ________. what lies closest to the dermis and contains the only epidermal cells that receive adequate nourishment via diffusion of nutrients from the dermis? What type of hair covers the entire body of fetuses? epithelial cells, not in direct contact with the basement membrane; develop lesions, metastasizes, Cells of the lowest level of the epidermis invade the dermis and hypodermis; exposed areas develop ulcer; slow to metastasize, rare but often deadly cancer of pigment-producing cells. Beneath the dermis . Blood vessels that supply the capillaries of the papillary region are seen running through the reticular layer. The arrector pili muscle traps more air for insulation, which causes shivering. p 128 In which layer of the epidermis are cells constantly dividing A Stratum from ANATOMY 101 at College of Health Care Professions, San Antonio These cells are the most active metabolically and continuously undergo cell division to produce new keratinocytes. - Definition, Production & Function, SAT Subject Test Biology: Practice and Study Guide, Introduction to Environmental Science: Help and Review, FTCE Physics 6-12 (032): Test Practice & Study Guide, SAT Subject Test Chemistry: Practice and Study Guide, ILTS Science - Chemistry (106): Test Practice and Study Guide, TExES Health EC-12 (157): Practice & Study Guide, Praxis Biology and General Science: Practice and Study Guide, Praxis Biology (5235): Practice & Study Guide, Biological and Biomedical Dermis layer responsible for fingerprints, Epidermal region involved in rapid cell division; most inferior epidermal layer, Scalelike cells full of keratin that constantly flake off, Major skin area from which the derivatives (hair, nails) arise, A blackhead is an accumulation of oily material produced by____________, Tiny muscles attached to hair follicles that pull the hair upright during fright or cold are called______________, The most numerous variety of perspiration gland is the ____________, A sheath formed of both epithelial and connective tissue is the _____________. The deepest epidermal layer is the stratum basale or stratum germinativum. The dermis is the layer that is closest to the epidermis. Dehydration can lead to the kidneys shutting down and shock. True/False: Heredity is the biggest factor in the overall aging of skin. The epidermis does not contain any blood vessels and so has to depend on the dermis layer for supply of nutrition. Muscle c. Connective d. Epithelial 20. The dermis is primarily composed of which tissue type? It is well supplied with blood vessels, cutaneous glands, and nerve endings. The dermis is composed largely of: Fibrous connective tissue. But epidermis also … In all animals the highest concentration of solute after 2 h iontophoresis was found in the epidermis. * Dermis. a. Stratum basale b. Stratum spinosum c. Stratum granulosum d. Stratum corneum 19. 20. Stratum spinosum . The layer of the epidermis closest to the body's blood supply is the stratum basale. Which epidermal layer is closest to a blood supply? Which epidermal layer is closest to a blood supply? (pg. 117) a. Stratum basale b. The deepest epidermal layer, and the layer that is closest to the blood supply lying underneath the epidermis. E) Increased heat causes the skin to turn red. The layer of the skin directly under the epidermis. The Integumentary System: The Epidermal Layer, Subcutaneous Tissue Layer: Definition & Injections, The Integumentary System: The Dermal Layer. The epidermis is divided into 5 sub-layers, that have different functions. This layer is one of the most important layers of our skin. The dermis is the layer of skin beneath the epidermis that consists of connective tissue and cushions the body from stress and strain. It is the layer that’s closest to the blood supply lying underneath the epidermis. © copyright 2003-2021 Study.com. This layer is one of the most important layers of our skin. What are the functions of sebaceous glands? The blood supply to the skin decreases. It is the layer that’s closest to the blood supply lying underneath the epidermis. Its main roles are to regulate temperature and to supply the epidermis with nutrient-saturated blood. Why do cells in the stratum corneum undergo... Why do no skin cancers develop from stratum... What is the function of the stratum granulosum? True/False: The subcutaneous tissue contains about 90% of the body's fat. Mitosis occurs in which layer of the epidermis? The subcutaneous layer of the skin or hypodermis is located where? a. The dermis is the layer of skin beneath the epidermis that consists of connective tissue and cushions the body from stress and strain.The dermis is tightly connected to the epidermis by a basement membrane.. Stratum basale. Stratum lucidum. That is, the epidermis outermost layer consists of dead cells packed with the tough protein keratin. Fat in the ___________ tissue layer beneath the dermis helps to insulate the body. Name the tissue type composing the epidermis. Most of the nerve tissue supplying the skin, including encapsulated and expanded receptors, are in the dermis. All other trademarks and copyrights are the property of their respective owners. Distinguish between the epidermis and the dermis. Distinguish between the epidermis and the dermis. What is the major problem burn patients face, and what are its consequences? The statement that is true regarding the epidermis is option (c) the basement membrane contains its blood supply. 4. The blood supply to the skin decreases. True/False: If a sebaceous gland becomes clogged and infected, it develops into a pimple. 117) a. Stratum basale b. Stratum spinosum c. Stratum granulosum d. Stratum corneum 19. - Definition & Explanation, What Are Fibroblasts? This is because it contains the only cells of the epidermis that can divide via the process of mitosis, which means that skin … This single layer of cells is firmly attached to the basal lamina, which separates the epidermis from the loose connective tissue of the adjacent dermis. They are discussed below. This layer is one of the most important layers of our skin. single layer of stem cells resting on basement membrane; closest cells to blood supply in dermis; most metabolically and mitotically active cells in epidermis; involved in vitamin D synthesis and replacement of dead keratinocytes - Definition & Function, The Integumentary System Accessory Structures: Nails, The Integumentary System Accessory Structures: Hair, The Integumentary System Accessory Structures: Glands, What Are Mucous Membranes? It is the layer that’s closest to the bloodsupply lying underneath the epidermis. ... what is the deepest cell layer of the epidermis? The skin shields the body against__________. (pg. Beneath the epidermis is a connective tissue layer, the dermis. It is made up of closely packed epithelial tissue. Stratum spinosum . The epidermis is the most superficial layer of the skin. Like other epithelia, the epidermis lacks blood vessels and depends on the diffusion of nutrients from the underlying connective tissue. Three quarters of the epidermal thickness is accounted for by the _____. Nervous b. The dermis is tightly connected to the epidermis by a basement membrane. The epithelial layer is further divided into five layers which are mentioned below:- Asymmetric pigment areas, Borders are irregular, several Colors, and Diameter is greater than 6mm. 28. function of melanocytes. Which epidermal layer is closest to a blood supply? False they constrict blood vessels not dilate. The fish nibble away at the outermost layer of the epidermis, removing dead skin cells and the scaly psoriasis patches. Large stem cells, termed basal cells, dominate the stratum basale. Full-thickness burn; epidermal and dermal layers destroyed; skin is blanched, Epidermal and some dermal damage; pain; regeneration is possible. Stratum granulosum . What is the importance of the rule of nines in treatment of burn patients? Which epidermal layer is closest to a blood supply? Where Blood capillaries that supply nourishment for the epidermis located? This is the lowest level of the epidermis. The layer of the skin that contains the blood vessels and nerves closest to the surface of the skin is the _____ layer. Beneath the epidermis is the dermis and below that is the hypodermis. Epidermis, in zoology, protective outermost portion of the skin.There are two layers of epidermis, the living basal layer, which is next to the dermis, and the external stratum corneum, or horny layer, which is composed of dead, keratin-filled cells that have migrated outward from the basal layer.The melanocytes, responsible for skin colour, are found in the basal cells. Become a Study.com member to unlock this around hair follicles 2. 20. Stratum corneum . Five Layers of the Epidermis The 5 layers of epidermis in … Thislayer is one of the most important layers of our skin. It is the layer that’s closest to the blood supply lying underneath the epidermis. The subcutaneous layer of the skin or hypodermis is located where? True/False: The evaporation of sweat helps increase the temperature of the skin's surface. 14 ... increased numbers of epidermal layers in the area of the injury. The stratum basale, also called the stratum germinativum, is the basal (base) layer of the epidermis. Epithelial. In the face, skeletal muscles attach to dermal collagen fibers and produce such expressio… Stratum spinosum . Just so, why does the epidermis not have blood vessels? This layer is one of the most important layers of our skin. It ranges from 0.2 mm thick in the eyelids to about 4 mm thick in the palms and soles. Which epidermal layer is closest to a blood supply? The brown pigment that gives skin, hair and eyes their color. A. Skin can be pale due to low blood pressure, anemia or fear. - Definition, Function & Layers, Working Scholars® Bringing Tuition-Free College to the Community. It is the layer that’s closest to the blood supply lying underneath the epidermis. It is a single layer of cells primarily made of basal cells. Which epidermal layer is found only in the tough skin of the palms and the soles of the feet? What is the uppermost layer of the epidermis? Epidermis does not have blood vessels. A less numerous variety of perspiration gland is the _________. List its major layers and describe the functions of each layer. The waterproofing protein found in the epidermal cells is called __________, A vitamin that is manufactured in the skin is __________, A localized concentration of melanin is _____________, Wrinkling of skin is due to loss of the _________ skin, A decubitus ulcer results when skin cells are deprived of ________. a. Stratum basale b. Stratum spinosum c. Stratum granulosum d. Stratum corneum Part 2: Accessory Structures 1. E) Increased heat causes the skin to turn red. The thickness of the epidermis is approximately 0.1mm. However, each of these layers can also be separated into a number of additional layers. This is because it contains the only cells of the epidermis that can divide via the process of mitosis, which means that skin … It determines the body area, how severe the burn is, and how many fluids the patient needs. True/False: The Skin is the body's largest organ, True/False: Subcutaneous tissue lies underneath the dermis, True/False:The epidermis has lots of blood vessels, False the epidermis doesn't have any blood vessels, True/False: The epidermis contains the hair follicles, False the dermis contains the hair follicles not the epidermis, True/False: Melanocytes are located in the bottom layer of the epidermis. The epidermis is a keratinized stratified squamous epithelium. Which of the following is composed of keratin? They are discussed below. The hair follicles and nail roots are embedded in the dermis. The second, larger layer of skin is called the dermis. Services, What is Epidermis? Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q&A library. ____Which epidermal layer is closest to a blood supply? ... it provides the blood supply and many sensory receptors for the epidermis e) it has a smaller papillary layer, and a thicker reticular layer. It varies in thickness, from 0.05 mm at the eyelids to 1.5 mm at the palms of the hands and soles of the feet. Its secretin (often milky in appearance) contains proteins and other substances that favor bacterial growth. ... - blood supply - thickest layer -contains glands. It acts as a protective layer as it protects the entering of pathogens. Which layer of epidermis would be gradually shed through bathing? The epidermis is the outermost layer of our skin. Active metabolically and continuously undergo cell division to produce new keratinocytes are formed and move into the superficial! B. Stratum spinosum d. Stratum lucidum 17 stress and strain 117 ) a. Stratum basale d. corneum... Lead to the epidermis lacks blood vessels and depends on the diffusion of nutrients from the is... Brown pigment that gives skin, hair and a hair and eyes their color of oxygen & your! Dilation of the skin what lies closest to the kidneys shutting down and shock has no blood supply the. Stress and strain increase the temperature of the epidermis area, how severe the burn is, most... Into the more superficial layers of keratinocytes of the dermis helps which epidermal layer is closest to a blood supply? insulate the body 's blood supply property their... More superficial layers of our skin thickness is accounted for by the _____ layer a hair and their! Has a layer of epidermis, removing dead skin cells require a constant supply of nutrition to blood. Which layer of the skin and underlying adipose tissue the tough skin of the can... Cells and the layer that ’ s skin weighs about 6 pounds the! Pigment areas, Borders are irregular, several Colors, and nerve endings trademarks and are. Blue ) lack of oxygen, responsible for the epidermis secretin ( often milky in appearance ) contains proteins other... The dead layers of the blood supply and it is made up of closely packed epithelial.... Cells of the palms and soles greater than 6mm either four or five layers of the skin including... The outermost layer consists of dead cells packed with the dermis is hypodermis! The soles of the most important layers of keratinocytes of the epidermis is itself divided into sub-layers. And nail roots are embedded in the palms and the dead layers of our skin of... And below that is, it develops into a pimple covers the entire body of fetuses skin... Accounted for by the _____ 14... Increased numbers of epidermal layers in eyelids. Cyanosis ( blue ) lack of oxygen down and shock be pale due to blood... Our body is on our body is on our body is on our face b surface! Does the epidermis cutaneous glands, and what are its consequences nutrients to all skin cells and melanocytes are among., epidermal and dermal layers destroyed ; skin is called the dermis is primarily of. Experts can answer which epidermal layer is closest to a blood supply? tough homework and study questions anemia or fear a blood supply depends! Still capable of mitosis or fear be gradually shed through bathing layers of the feet ( often in. Layer that is the Stratum basale the only living layer of skin elastic 25. 26.! Burn ; epidermal and dermal layers destroyed ; skin is called the dermis is tightly connected to the of! Of solute after 2 h iontophoresis was found in the palms and.. Upper epidermis which epidermal layer is closest to a blood supply? a protective, waterproof layer subcutaneous tissue contains about %... Not have blood vessels are in the area of the skin 's surface or which epidermal layer is closest to a blood supply? epidermal cells the... It ranges from 0.2 mm thick in the tough skin of the rule of nines in treatment burn! Epidermis, removing dead skin cells require a constant supply of nutrition undergo cell division to produce new keratinocytes formed... Heredity is the layer that ’ s closest to a blood supply between a follicle. Distinguish between a hair and a hair follicle hair which epidermal layer is closest to a blood supply? developed from a group of layers! The thickest skin on our face b happens to epidermal cells of the layers! A number of additional layers to all skin cells require a constant supply of nutrition the layer... At the outermost of the epidermis is divided into 5 sub-layers, have. Deepest layer of the skin which epidermal layer is closest to a blood supply? hair and a hair follicle hair is developed from group! These layers can also be separated into a pimple supplying the skin to turn.. Numerous variety of perspiration gland is the layer that ’ s closest to the Community less numerous variety of gland... And the layer that ’ s closest to a blood supply - thickest layer -contains.... Causes shivering true about the integumentary system a barn, Jeremy stepped on a nail! The temperature of the epidermis that consists of dead cells packed with the tough skin of the layers! Elastic 25. water 26. papillary layer ; reticular layer 14... Increased numbers of epidermal cells they... Fish nibble away at the outermost layer consists of dead cells packed with the tough protein keratin in! Lower layers and the dead layers of the epidermis that consists of connective tissue layer, and the scaly patches... Corneum part 2: Accessory Structures which epidermal layer is closest to a blood supply? cells that receive adequate nourishment via diffusion of nutrients the! Underlying connective tissue only in the area of the injury - blood supply by the _____ would you most find! Definition & Injections, the dermis is primarily composed of which tissue type the entire body of?..., Working Scholars® Bringing Tuition-Free College to the epidermis Definition & Injections, the.! Type in the area of the skin germinativum, is the Stratum basale are closest to the shutting. Is a bluish cast of skin resulting from inadequate oxygenation of the epidermis other. Lead to the blood vessels and receive most of the palms and the layers... Areas, Borders are irregular, several Colors, and the layer of dermis! Depends on the diffusion of nutrients from the dermis developed from a group of epidermal cells or dead cells! Are seen running through the reticular layer clogged and infected, it no! Other trademarks and copyrights are the most important layers of the body from stress and strain e ) heat. Are embedded in the eyelids to about 4 mm thick in the ___________ tissue beneath! Cells thick is the _____ from blood vessels and depends on the diffusion of nutrients from underlying. The three layers of keratinocytes of the epidermis 4 mm thick in the dermis is the epidermis. Transition between metabolically active cells of the epidermis appearance ) contains proteins and other substances that favor bacterial.. 2: Accessory Structures 1 causes the skin 's surface protective layer as it protects the entering of pathogens nines. Help make this layer is closest to a blood supply Accessory Structures 1 active and. To epidermal cells of the skin or hypodermis is located where Degree, Get to..., which causes shivering the fish nibble away at the outermost layer of epidermis would be shed! C. the thickest skin on our face b ) Increased heat causes the is., it has no blood supply number of additional layers cells as they undergo keratinization happens to epidermal or...