SKIN
it’s well known that the skin is the first line of defense against all elements, such as microorganisms, wind, and pollutants. And it’s the acid mantle, a fine film with a slightly acidic pH on the surface of the skin that provides protection for the skin. It plays a very important role as an integral part of the barrier function of the stratum corneum. Therefore if you didn't have skin you would not be living ing the world right now;)
SIGHT
HEARING
TASTE
SMELL
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