Chapter 5: Integumentary System When comparing the dermis with the hypodermis‚ A. the dermis has more fat cells than the hypodermis. B. the dermis has more vascular tissue than the hypodermis. C. the dermis contains dense connective tissue; the hypodermis contains loose connective tissue. D. the dermis contains melanocytes; the hypodermis does not. Answer C Keratinocytes: A. produce skin pigments in cell organelles called melanosomes. B. are found in both the dermal and epidermal layers
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Chapter 6 Integumentary System 6.1 Introduction The skin‚ the largest organ in the body‚ and its accessory structures constitute the integumentary system. 6.2 Skin and its tissues Skin is a protective covering‚ helps regulate body temperature‚ houses sensory receptors‚ synthesizes chemicals‚ and excretes wastes. It is composed of an epidermis and a dermis separated by a basement membrane. A subcutaneous layer‚ not part of the skin‚ lies beneath the dermis. The subcutaneous layer is composed of
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The Integumentary System The Integumentary System‚ consisting of the skin‚ hair and nails‚ act as a barrier to protect the body from the outside world. It also has several other functions in the body. The word INTEGUMENT comes from a Latin word that means to cover. The most important function of the integumentary system is protection. This system 1) serves as a barrier against infection and injury‚ 2) helps to regulate and maintain body temperature‚ 3) removes waste products from the body
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INTEGUMENTARY SYSTEM The integumentary system consists of the skin and accessory structures‚ such as hair‚ nails‚ sudorifenous gland (sweat gland) and sebaceous gland (oil gland). Integument means covering‚ and the integumentary system is familiar to most people because it covers the outside of the body and is easily observed. FUNCTIONS OF THE INTEGUMENTARY SYSTEM 1. Protection The skin provides protection against abrasion and ultraviolet light. It prevents the entry of microorganisms
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Introduction The integumentary system is the other name for the skin‚ it’s the largest organ in the body. Unlike other organs‚ this is an organ system that protects the internal body parts from damage‚ dehydration‚ decay as well as other many functions. It has many roles in the body and is the first line of defense against external agents. The integumentary system makes up 15 percent of the body weight in nay human being. Structure The integumentary system is made up of the skin‚ skin derivatives
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life that we enjoy. When we go to the workplace there is a system and a chain of command with which the offices are functioning‚ just like that our bodies are also a complex group of network that is constantly in communication with one another to keep our bodies functioning. There are multiple systems and each one is extremely important in its role but one of the most important systems found within the human bodies is the cardiovascular system. It pumps blood to each portion of our body‚ which
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5 The Integumentary System FOCUS: The integumentary system consists of the skin‚ hair‚ nails‚ and a variety of glands. The epidermis of the skin provides protection against abrasion‚ ultraviolet light‚ and water loss‚ and produces vitamin D. The dermis provides structural strength and contains blood vessels involved in temperature regulation. The skin is attached to underlying tissue by the hypodermis‚ which is a major site of fat storage. CONTENT LEARNING ACTIVITY Hypodermis ❛❛The hypodermis
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The Integumentary System I. Introduction My chosen organ system is the integumentary system. II. The Integumentary System’s function is to protect and support organs in the body hence this is why its largest organ is the Skin. a. The skin protects underlying tissue against harmful bacteria‚ it provides barriers against most chemicals‚ it also reduces the chance of injury due to mechanic equipment b. The skin also helps regulate body temperature. c. It regulates the body temperature
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CHAPTER 6 Integumentary System • Dermatology – scientific study and medical treatment of the integumentary system. • Integumentary System – consists of the skin and its accessory organs – hair‚ nails‚ and cutaneous glands • skin is the most vulnerable organ • skin is the most vulnerable organ – exposed to radiation‚ trauma‚ infection‚ and injurious chemicals • body’s largest and heaviest organ Skin and Subcutaneous Tissue • consists of two layers: – epidermis – stratified squamous epithelium
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The skin is the largest organ of the body. The skin and its components including hair‚ nails‚ sweat glands‚ and oil glands‚ make up the integumentary system. The main functions of the skin is to provide protection to the body and organ systems. It protects the body from external factors such as bacteria‚ chemicals‚ and temperature. The skin contains secretions that can kill bacteria‚ and the pigment melanin provides a chemical defense against ultraviolet light that can damage skin cells. The skin
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