2015-02-16

[public] 1.70M views, 24.8K likes, 235 dislikes audio only

CrashCourse

Today, Hank answers the question, "Why do we use lotion?" We'll take a look at your integumentary system and all the hard work it does to protect you from and help you interact with the world around you.

Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!

Download it here for Apple Devices: https://apple.co/3d4eyZo

Download it here for Android Devices: https://bit.ly/2SrDulJ

Chapters:

Introduction: Why Do We Use Lotion? 00:00

Protective & Sensory Functions of the Integumentary System 1:23

More Functions: removing waste, storing blood, and regulating body temperature 2:16

Skin Discoloration: Cyanosis, Jaundice, and Erythema 3:46

Melanin, Vitamin D, and Skin Tone 4:39

How Does Hair Conditioner Work? 5:40

How Do Hair, Skin, and Nails Grow? 6:17

Types of Sweat Glands: Eccrine, Apocrine, Mammary, and Ceruminous 6:55

Sebaceous (Oil) Glands 8:17

Review 9:05

Credits 9:33

Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

Want to find Crash Course elsewhere on the internet?

Facebook - http://www.facebook.com/YouTubeCrashCourse

Twitter - http://www.twitter.com/TheCrashCourse

Instagram - https://www.instagram.com/thecrashcourse/

CC Kids: http://www.youtube.com/crashcoursekids