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Skin Video 2

Added Oct 14, 2014 •

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the biggest organ in the body weighs in at about 4 kg and covers area of about 2 square meters rubbing it makes it flake off houses with dust it's the skin the part of the skin you can see is made up of dead cells three cells overlap by Quail Place roof tiles to make the body waterproof gin stop precious water from escaping and harmful chemicals from entering while it is a formidable barrier skin must be flexible sometimes extremely so pregnant women produce a hormone that allows their skin to stretch to twice its size 16 is not just an inert coating it is an active organ important function  it keeps the body from overheating  this heat-sensitive camera shows in Redding the hottest areas on a body in action during heavy exercise muscles generate enough heat to boil several cups of coffee  the heat with easily damaged the internal Morgan's if the body did nothing about it  just below the skin surface are three million temperature control units these are the sweat glands each one a coiled tube 1.2 M long and loaded with liquid has the body heats up the two contracts squeezing a droplet of sweat out onto the skin as the sweat evaporates it draws heat from the skin and cools the body a body working hard candy one liter of sweat an hour Flynn Oregon so packed with such finely tuned technology skin is surprisingly robust  woven need the surface of skin is a mesh of tough collagen fibers  the strand of collagen is stronger than a steel wire of the same when skin is caught Hunters of blood vessels are severed flooding the room with blood this is the body's healing kit  small cells called platelets stick together forming temporary plug slow down the bleeding friends of protein form a Tight Mesh trap blood cells this becomes a scab  the scab contract pulling edges of the wound closer together eventually the scab Lowe's off leaving behind new skin

Uploaded by Renee Klein.

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Skin Video 2

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