Hellow guys, Welcome to my website, and you are watching What is skin? (Epidermis) | Integumentary system physiology | NCLEX-RN | Khan Academy. and this vIdeo is uploaded by khanacademymedicine at 2014-06-27T14:03:37-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.