Khan Academy Static

3B: There is really more than meets the eye with skin. Yes, it does make us look nicer than a bag of bones, muscles, and organs. But it also serves other important purposes which range from guarding the body against infection to sensation to allowing for metabolism of vitamin D. We will explore the structure and function of skin from the macroscopic to the microscopic level in this tutorial.

16373_Meet_the_skin_Overview_.html

16374_What_is_skin_Epidermis_.html

16383_Thermoregulation_by_muscles.html

16381_Ruffini_s_Ending_and_Hair_Follicle_Receptor.html

16378_LeBron_Asks_Why_does_sweating_cool_you_down_.html

16375_What_lies_beneath_the_epidermis_Dermis_and_Hypodermis_.html

16377_What_s_in_sweat_Holocrine_Apocrine_Merocrine_Glands_.html

16382_Pain_and_temperature.html

16376_Where_do_our_nails_and_hair_come_from_.html

16380_Pacinian_s_Corpuscle_and_Merkel_s_Disk.html

16379_Overview_of_Sensation_and_Meissner_s_Corpuscle.html