The science of skin - Emma Bryce
Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-science-of-skin-emma-bryce Between you and the rest of the world lies an interface...
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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 meters of ground. Its purpose may seem obvious— to keep our insides in. But a look beyond the surface reveals that it plays a surprising number of roles in our lives. First, the basics. Skin is the foundation of the integumentary system, which also incorporates your hair, nails, and specialized glands and nerves. Made up of three layers, the epidermis, dermis, and hypodermis, skin’s thickness varies from 0.5 millimeters at its thinnest and up to four millimeters at its thickest. It also carries out three key functions: protecting, regulating...
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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 meters of ground. Its purpose may seem obvious— to keep our insides in. But a look beyond the surface reveals that it plays a surprising number of roles in our lives. First, the basics. Skin is the foundation of the integumentary system, which also incorporates your hair, nails, and specialized glands and nerves. Made up of three layers, the epidermis, dermis, and hypodermis, skin’s thickness varies from 0.5 millimeters at its thinnest and up to four millimeters at its thickest. It also carries out three key functions: protecting, regulating...
