Download - Skin
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Skin
What is it? What does it do?
![Page 2: Skin](https://reader036.vdocuments.us/reader036/viewer/2022080916/56812c9f550346895d914714/html5/thumbnails/2.jpg)
What is it ?
• The outer covering of body• Made up of two very different basic tissue
types– the epidermis which is composed of epithelial
tissues– The dermis which is composed of connective tissue
![Page 3: Skin](https://reader036.vdocuments.us/reader036/viewer/2022080916/56812c9f550346895d914714/html5/thumbnails/3.jpg)
Skin is really an organ
• It provides sensory information, protection from the environment, and the regulation of body temperature.
![Page 4: Skin](https://reader036.vdocuments.us/reader036/viewer/2022080916/56812c9f550346895d914714/html5/thumbnails/4.jpg)
What does it do?
• Prevents loss of water• Barrier to germs• Regulation of body temperature• Sensory response• Excretion of waste• Makes Vitamin D
![Page 5: Skin](https://reader036.vdocuments.us/reader036/viewer/2022080916/56812c9f550346895d914714/html5/thumbnails/5.jpg)
Senses
• Hot/Cold• Rough/Smooth• Pain• Wet/Dry• Pressure• Hard/soft
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Pigment
• All humans have the same protein for skin color, melanin. Some have more than others.
• It determines how dark or light your skin is.• Melanin functions provides protection from
UV rays. • Amount of melanin in skin increases with
exposure to UV light.