2015-02-16

[public] 1.70M views, 23.9K 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.

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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

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