Have you ever wondered why from a long stay in the bath of your fingers and toes start to look strange? The skin on the fingers shrinks, swells, and it seems as if your fingers just someone thoroughly chewed. There is an answer! And he's awesome!
After a long stay in the water, our fingers are starting to look like, but why?
Guys with YouTube-channel SciShow understand what delo
Initially, scientists believed that this is due to the absorption and swelling of the upper layer of the skin. Because of moisture absorption, the area of the upper layer of the skin is significantly increased and deeper - there is, and therefore obtained a wrinkling effect.
However, in 1935 a couple of the doctors noticed that patients who suffered from nerve damage, skin on the fingers is not wrinkled. The doctors came to the conclusion that the wrinkling of the skin of fingers, is the reaction of the nervous system to a long stay in vode
Doctors have concluded that it is an involuntary reaction of the nervous system to change the environment of human habitation, we have obtained in the course of evolution. But what is it for?
Biologists believe that because our bodies take care of a better engagement with objects and surfaces in high vlazhnosti
In 2013, researchers tested this theory by testing the ability of people with wrinkled and wrinkled fingers, which were to raise a variety of wet and dry items. They found that patients with wrinkled fingers raised wet objects 12 percent faster.
Wrinkled skin on the fingers, acting much like the tread on car tires, increasing grip on objects and surfaces on which we walk.
Applause our nervous system!