1. Introduction To Integumentary Skin Is In!

2. Beauty Do me a favor… Take a look at the person next to you First, comment on how good they look today Unless they look really bad… in which case a white lie won’t hurt Second, ask very politely how much makeup, hair dye, hair gel and perfume they are wearing today

3. Beauty With that information try to come up with an estimate how much humans spend per year on beauty products Go ahead You can do it Do you want the answer? It is a 160 billion dollar business

4. Beauty Some interesting facts about “beauty”… Americans spend more per year on beauty products than they do education Babies will smile longer at a female face that is considered “attractive” In a comprehensive study of 52 different cultures across 5 continents, males chose beauty as the most important attribute in a female partner and females chose beauty as the second most important attribute in a male partner

5. Introduction to Integumentary The surprising thing about beauty is that it revolves around one body system To understand this system that has become an obsession in our culture (and others) we really have to understand the integumentary system The integumentary system is a system designed to protect the body that is composed of the skin and its accessories (hair, nails etc)

6. Introduction to Integumentary It is a system that is constantly bombarded by different types of attacks UV radiation, microorganisms, viruses, chemicals, plants and animals are all trying to attack this system This is why it accounts for so much of your body weight Nearly 16% of a typical adult is devoted to this important system

7. Two Components The integumentary systems is made of two major components Each is separate and has different functions These two components account for the two square meters of integument

8. Two Components The cutaneous membrane is commonly referred to as the skin The cutaneous membrane is made of multiple components The epidermis can be referred to as the superficial epithelium The dermis is the underlying area of connective tissues that bind the epidermis to the body

9. Two Components The accessory structures are the components of the integumentary system that are not skin These include hair, nails and multicellular exocrine glands These structures often are found in the skin with parts of their structure extending through the skin to the outer environment

10. Two Components A third component is sometimes associated with the integumentary system… I know I lied… They hypodermis is a layer of loose connective tissue that separates the skin from other organs For our purposes we will include this as part of the Integumentary system

11. Video https://www.youtube.com/watc h?v=AhbPPd-YeiU https://www.youtube.com/watc h?v=AhbPPd-YeiU