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10 strange and unexpected facts about the human body organs
Despite millennia of study, the human body - is still an inexhaustible storehouse of puzzles. < Website invites the reader on a fascinating journey through his own body.
Additional ribs
Livejournal.comObychno the average person has 12 ribs on each side, but some people have found an additional edge, which, incidentally, can cause health problems.
This is called a cervical rib, and meets at 0, 05-3 per cent of people, studies have shown. It grows from the base of the neck just above the collarbone, and sometimes not fully formed, and consists only of a thin strip of fabric fibers.
Additional edge can lead to health problems if it puts pressure on nearby blood vessels or nerve endings. This leads to a condition known as thoracic outlet syndrome, which is characterized by pain in the shoulder or neck, feeling the loss of a limb and the presence of clots in the blood.
Hyoid bone
Perelomoff.netPodyazychnaya bone is the only bone in the body, which is not connected with any other bone; it is the basis of the ability to speak, and is found only in humans.
This horseshoe-shaped bone located in the throat between the chin and thyroid cartilage. Due to its location, the bone is working together with the larynx and tongue to utter a series of sounds.
Philtrum
Toptales.ccPodnosovoy groove, also sometimes referred to as a filter is a vertical "notch" on the middle part of the upper lip.
In some animals due to him, perhaps, improved sense of smell, as the area around the nose remains wet, but in humans this part of the body does not have a specific function.
It probably happened because modern people rely more on vision than any other feeling. Groove lost functionality, and remained only as a vestige of evolution.
Coccyx
Radiomed.ruKopchik or hvostets, is formed at the confluence of the vertebrae, and is a remnant of the tail, which is available in other mammals.
It has been suggested that the coccyx helps secure small muscles and support the pelvic organs. Nevertheless, there have been many medical cases where the tailbone was surgically removed without any negative consequences.
Some medical cases describe babies who are born with an elongated coccyx. Today, on this unusual "tail" can be easy to get rid surgically, but in the Middle Ages it was believed that such a sign indicates a relationship with the devil, and such cases the mother was executed together with the child.
Disappearing bones human bone system is full of wonders . Consider this: the adults have less bone than children. We are born with 350 bones, but because some of the bones fuse together over time, then, as adults, we are left with only 206 bones.
Restores the stomach To some extent this is a philosophical question, but it can be argued that every three or four days we have a new stomach appears. This is because the inner surface of the stomach of our constantly producing new cells. In fact, the stomach is constantly creating new layers to be digested own acid.
Something in the knee
Ortoscop.ruV November 2013, Belgian researchers first described the ligament in the human knee; she was named the anterolateral bundle. French surgeon first proposed the existence of this ligament in 1879, but so far its existence has not been proven.
Layer Dyua 79,648,423
Rkb.uzV another study, scientists have discovered a previously unknown layer in the human eye.
It is a thin, durable structure, was named after its discoverer called "Dua layer", whose thickness is only 15 micrometers, or one millionth of a meter, and is located behind the cornea.
The opening of this layer will help researchers better understand some of the eye diseases that can be caused by trauma or rupture of this layer.
Muscle, allowing wiggle ears
Ytimg.comKoshki, and some lucky dogs, people can wiggle their ears from the group of muscles called Auriculares. This muscle group includes the front ear muscle that moves the ear forward; top that lifts his back and pushes it back.
Although we all have these muscles, it is believed that only about 15 percent of people have the opportunity to use them, moving his ears
Age bodies Ironically, the different organs of our body -. All ages. One of the most rapidly aging tissues in the human body is the female breast tissue. It is an average of three years older than the rest of fabrics.
But the heart tissue that is constantly updated with stem cells, several years younger than the rest of the body, and this you can proudly announce your next birthday.
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