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STARTER #3 1.Label the cavities to the right a. b. c. d. 2.What type of tissue lines organs and cavities? 3. What type of tissue is this?
INTEGUMENTARY SYSTEM PP 924-926
PARTS OF INTEGUMENTARY Skin Nails Hair
SKIN FUNCTION Barrier against mechanical and chemical injury Protection of microbial invasion Prevention of dehydration Regulation of body temperature Sensory Vitamin (D) synthesis
SKIN LAYERS Epidermis- outermost layer of skin Contain melanocytes make melanin (gives pigment and protection from UV light)
SKIN LAYERS Dermis-inner layer of skin composed of blood vessels, nerves, hair follicles, glands
SKIN LAYERS Glands Oil glands attached to hair follicles Secrete sebum (oils) Sweat glands regulate body temperature Subcutaneous: fat cells (insulation)
SKIN CANCER Most common in the U.S. Can affect skin cells or melanocytes (worst type) People of light skin tone, blue eyes, and red hair are most at risk
NAILS Protect ends of toes and fingers Made of keratin
HAIR Protect and insulates the body Produced by hair follicles Made of keratin
Integumentary System. Composed of skin, hair, sweat glands, and nails The name is derived from the Latin integumentum, which means “a covering.”
Copyright © 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins Chapter 5: The Integumentary System.
The Integumentary System. The Skin The largest organ in the body – Covers the entire body Function: acts a a barrier against infection and injury, helps.
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The INTEGUMENTARY System Unit 2 Support Systems. Functions of the Skin Protection Vitamin D Production Sensory Organ Temperature Regulation Protection.
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The Integumentary System. Skin The largest organ in your body Functions Covers the body and prevents water loss Protects the body from injury and infection.
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Integumentary System Chapter
Integumentary System Composed of skin, hair, sweat glands, and nails The name is derived from the Latin integumentum, which means “a covering.”
CHAPTER 5 INTEGUMENTARY SYSTEM
The Integumentary System. Skin, Hair and Nails Now using the microscopes. Examine your skin, hair and nails. In your spiral, diagram what you see.
Integumentary System 4/29/2013. Integumentary System Skin-Epidermis, Dermis, Hypodermis Nails-Nail Roots, Keratin in Nails Hair-Hair Follicles,
Integumentary System. Integumentary system A barrier against infection and injury, helps regulate body temperature, removes wastes, provides protection.
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