What’s inside a pimple?

Pimples may be an intimate experience for you, but oftentimes what's inside is a foreign concept in itself. Tech Insider tells you all you need to know about tech: gadgets, how-to's, gaming, science, digital culture, and more.

Tech Insider: http://www.businessinsider.com/sai

How do scars form?

It’s hard to escape childhood without racking up a few scars. Why do these leftover reminders of a painful cut or crash look different from the rest of our skin? And why do they stick around for so long after the incident that caused them? Sarthak Sinha explains how scars form.

TED ED: Lesson by Sarthak Sinha, animation by Karrot Animation.

The Science of Skin

Between you and the rest of the world lies an interface that makes up 16% of your physical weight. This is your skin, the largest organ in your body: laid out flat, it would cover close to 1.7 square metres of ground. But besides keeping your organs in, what is its purpose? Emma Bryce takes us into the integumentary system to find out.

TED ED: Lesson by Emma Bryce, animation by Augenblick Studios.

https://www.patreon.com/teded

How A Wound Heals Itself

Our skin is the largest organ in our bodies, with a surface area of about 20 square feet in adults. When we are cut or wounded, our skin begins to repair itself through a complex, well-coordinated process. Sarthak Sinha takes us past the epidermis and into the dermis to investigate this regenerative response.

TED ED: Lesson by Sarthak Sinha, animation by Karrot Animation.

https://www.patreon.com/teded

The Integumentary System (part 2)

Table of Contents: Protects Your Body 1:25 Senses the Outside World 1:42 Helps Excrete Waste 2:17 Stores Blood 2:43 Regulates Temperature 2:59 Makes Vitamin D 5:18 Indicates Signs of Poor Health 3:55 How Your Hair & Nails Grow 5:57 The Difference Between Eccrine and Apocrine Sweat Glands 7:07 Sebaceous (Oil) Glands 8:17

http://www.patreon.com/crashcourse