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The Skin
| Question | Answer |
|---|---|
| What is the skin also known as? | The cutaneous layer |
| What does the integumentary system include? | Skin, nails, hair, and glands |
| The skin is made up of which two parts? | Epidermis and dermis |
| How does the skin protect from bacteria? | unbroken surface, acid secretion, and phagocytes |
| How does the skin protect from mechanical damage? | keratin and nerves |
| How does the skin protect from chemical damage? | keratin |
| How does the skin protect from UV radiation? | melanin |
| How does the skin protect from thermal damage? | nerves |
| How does the skin protect from desiccation? | lipid and keratin |
| What does desiccation mean? | drying out |
| What are lipids? | fat |
| How does the skin maintain a stable body temperature? | Sweating which helps lose heat and blood flow restriction can help with keeping heat in. |
| How does the skin excrete waste? | by sweating urea and uric acid but it doesn't happen very much |
| How does the skin synthesize vitamin D? | by converting cholesterol into vitamin D through the sunlight? |
| What is not true about vitamin D and the sun? | The sun does not produce vitamin D |