Thursday, April 7, 2011

Q&A: The Body's Largest Organ

Q. What is is the body's largest organ?

A. The skin. It covers us with a waterproof protective layer. It  is made up of seven layers. Contains sweat glands, oil glands and hair follicles. It has receptors of cold, heat, pain and pressure. There are fat cells, blood vessels, collagen and elastin fibers. It produces melanin to protect against the sun UV rays. It synthesizes vitamin  D when exposed to sun light. Unprotected skin, that is, only. This only requires about 15 minutes of sun exposure without sun screen 2-3 times a week depending on the time of year. I think the skin is amazing! 

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