PielePielea is one of the vital organs of the body. It is a natural barrier to the environment , that protects us from an invasion of foreign bacteria . For bacteria , the skin is a vast desert and oily , with few food sources .
Only the most resistant bacteria can colonize the skin , and they can not wait any scratch , you will become a short road to an environment . You can read further and other facts about the skin.
January . The hardness of the skin is determined by keratin . It is a protein which is found in hair and nails. Keratin assembles into filaments , forming an impenetrable net .
February . The skin is a continuous coating , but in the mouth it is transformed into a mucous membrane . Is a sensitive mouth opening for bacteria colonization , but fortunately , the bacteria that pass meet with lysozyme in saliva ( lysozyme is a bactericidal enzyme ) . Going and lysozyme , the environment reach , has a pH of 2-3 ( gastric juice ) , where they will be killed quickly .
Three . If you were to combine all the capillaries of the skin , we get a length of over 15 km ! Being highly vascularized skin can lose up to 10 liters of water by sweating in hot weather conditions .
April . Meissner receptors located in the skin ( hands , lips, tongue , penis or clitoris ) , may respond to a pressure of only 20 milligrams . Thus, we feel the touch of a hair .
May . The skin regenerates amazingly fast . Every minute , 50,000 dead cells leaving us . These cells will form dust.
June . Oily skin ! This expression defines the type of skin sebaceous glands have a higher production of sebum - thus becomes oily skin . The same " fat " and our hair . Dandruff is dead skin cells of the scalp .
July . We can hear the skin ! Do not imagine that we mini- ears. There are areas of skin that can be driven sound to the inner ear , avoiding external ear canal . Such an area is behind the ear, on the temporal bone .
August . Burns are among the most dangerous skin trauma ! Once destroyed the outer shell , inside our fluids evaporate quickly . Besides dehydration, skinless become a walking target for bacteria , at least for a time. They would invade us immediately!
September . A burn that hurts even to breath air is preferable to a burn that does not hurt. The explanation is simple . Burn that hurts has exposed nerve endings and chances are your skin to recover . Instead a burn that does not hurt, or fourth degree burn , it will not cure the contrary, necrosis extended to the surrounding regions .
10 . In human embryos , fingerprints appear only after the 3rd month of pregnancy. There are people that fingerprints never appear . The reason is two rare genetic mutation , known as Naegeli syndrome and pigmentary dermatopatia crosslinked . These people will never be identified by fingerprints.
