8. Even though your internal body temperature stays around 37 degrees C, the temperature of your skin does change. Is the outside of your skin usually at a higher temperature or lower temperature than 37 degrees C? Is the opposite ever true? Explain why.

How does temperature affect our bodily components, what do you think?

26. The skin plays a vital role in vitamin D synthesis. Which of vitamin D synthesis steps happens in the skin?  a. 7-dehydrocholesterol is converted into vitamin D3 b. UV absorption by 7-dehydrocholesterol c. vitamin D3 is converted into vitamin D d. a and b e. a, b, and c

5. Which sweat (sudoriferous) glands are the most numerous and secret a watery sweat for cooling the body?

11. Analyze how aging changes the skin normal structure. lans

How does melanin get into the skin?     melanocytes are found in the most superficial layer of skin and are full of melanin giving pigmentation     keratinocytes absorb surrounding melanocytes as they rise up from the basal layer to the surface     melanocytes form in the basal membrane and as they ascend to the surface they change into keratinocytes while maintaining the original amount of melanin they produced     melanocytes in the basal layer produce melanin and inject it into surrounding keratinocytes via the dendrites

Which is not a function of the subcutaneous fat layer of the skin? Which is not a function of the subcutaneous fat layer of the skin? insulates the muscles produces melanin insulates the internal organs from temperature changes protects and cushions blood vessels and neurons

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Why should we expect there to be a temperature change when biofreeze and Vix is applied to a certain part of the skin?

Most of you have seen oak leaves fall on driveways and on streets when fall arrives. These pigments form the leaves leave stains behind when blown away. Oak leaves also contain the water-soluble poison tannin. If you rubbed your skin with oak leaves very little is likely to happen to your skin. Why should it not poison you through the skin?