Wednesday, August 13, 2014

Cool fact

The skin contains approximately 640,000 sense receptors, scattered unevenly over the body's surface. These receptors are most abundant in the ridges of the fingertips, in the lips, at the tip of the tongue, in the palms, on the soles of the feet, and in the genitals.

-National Geographic Society. 1986. The Incredible Machine. Washington, D.C.: The National Geographic Society.

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