What is skin? (Epidermis) | Integumentary system physiology | NCLEX-RN | Khan Academy

Transcript

• They say that beauty is only skin deep, but did you know that the outermost layer of your skin is actually composed of entirely dead cells? I have no idea what's beautiful about dead tissue, but in this video, we'll seek to figure that out. We'll talk about the different layers of skin. As you can see here, there are many layers to the skin, and ... Read More