When one thinks about how all the systems in the human body were created in such a perfect and synchronized way, it is sometimes hard to believe that it is real. But like anything, even in our body, just like assembling furniture from IKEA, there are sometimes some unnecessary screws that are not needed. Those “bugs” have taken root with us throughout evolution, and it doesn’t look like they’re going to leave anytime soon. From wisdom teeth, through the organs that create chills to their appendages – there are a number of organs in the body of each of us that we just don’t need anymore.
So why are they here? Because in the distant past, when we hunted deer in the jungle and lived in caves, they were useful but today, they have become superfluous to exercise, and some are even bothersome and dangerous. So we decided to research some of them, and believe us, you will have a hard time looking at them again in the same way.
Wisdom teeth, the nightmare of each of us
If you too have experienced increasing pain in the back of the jaw, turning life into a nightmare on earth, you probably also have a nagging wisdom tooth. Usually after noticing that a wisdom tooth is sticking out, we try to ignore it for a few days, until the moment we beg them to sterilize it and wake us up from this nightmare already. So why is this happening at all? what is it good for? Is this some kind of malicious plan designed to hurt us in the middle of life just like that?
“Three-quarters of us suffer from a wisdom tooth that does not have enough room to hatch properly,” explained Peter S. Unger, a dental anthropologist and evolutionary biologist, in an article published in Mako. One of the reasons for their existence is that in the past they helped humans chew and digest hard and unprocessed food. “These teeth do not fit our jaws. The fundamental reason, as in tooth decay, is the imbalance resulting from an oral environment that our ancestors’ teeth were not required to deal with,” he explained.
“Wisdom tooth extraction has almost become a routine rite of passage for young adults in the United States today. But from my point of view there is something fundamentally wrong with this tradition,” he elaborated, adding, “Our dental problems are unconventional. Most other vertebrate species do not face similar dental problems. “To ours. Their teeth rarely bend or make holes in them. Our fossilized ancestors did not have imprisoned wisdom teeth, and it seems that only a few of them suffered from gum disease.” So in short, there is no real reason for the existence of wisdom teeth today, and they are largely here just to hurt, as we thought in the first place.
Addition: Not only is it unnecessary, but it is also life threatening
What could be more terrible than wisdom teeth? Explosion of the appendix, of course. “The appendix (appendicitis) is a hollow organ measuring 10-5 cm found in the colon. Its role in animals is the breakdown of cellulose (a type of dietary fiber). On the other hand, it is not clear what its role is in humans, and according to some hypotheses it has a certain role in the body’s immune system, “explains Dr. Guy Elad, a specialist in general surgery from Meir Clalit Medical Center.” Immediate treatment. “
In the past the situation was different. When humans consumed mostly plant foods and were required to digest large amounts of sugars, it actually contributed to us. Even today, it is possible to live next to him without a problem, until the moment he explodes. “About 8 percent of the population is expected to suffer from appendicitis. The phenomenon is most common in children under the age of 18, or in adults over the age of 60,” describes Dr. Elad, explaining, The appendix, due to swelling of lymph nodes in the area or due to food and feces parts getting stuck in the area. “Once the area is blocked, bacteria thrive in the area, leading to inflammation.”
And to prove how much it is unnecessary for us today, it can be seen that even after cutting their appendix it is possible to live a completely normal life. “At the end of a short process of recovery and recovery, it is possible to return to a full routine,” Elad concludes.
Iber Jacobson: Who among us smells pheromones on a daily basis?
If you have ever wondered why dogs like to push their nose into our groin area, the reason is that they smell pheromones. It turns out that humans also have the same tiny olfactory organ designed for just that, and it’s called the “Jacobson organ.” The organ is actually found between the nose and mouth, and in humans it degenerates during fetal development as in sharks, bats and monkeys. According to many studies, there is no neural connection between the fetus and our central nervous system, so it is mostly unnecessary.
In contrast, in other animals it is rather critical. “The human sense of smell looks like a joke next to the dog’s sense of smell. Dogs have about 220 million receptors in their noses, compared to 5 million in humans,” explained Ofer Shamir, an assistant at the Ramat Hasharon Veterinary Center. “Which is on between the nose and the mouth. The nerve cells indicated on the organ are designed to capture odors that are carried in the air and are able to detect various chemical compounds. “
The way she makes me goosebumps
We all know the strange feeling that goes through our whole body when we are cold or when we are excited. Our body hair curls and looks as if our skin has been filled with tiny spots, a phenomenon we call “duck skin” or chills. “When we are cold or when we are scared we get ‘duck skin’ – small bumps appear on our skin and if we look closely it seems that our small hairs are spiked. Explains Dr. Erez Gerty.
The small muscles stretched between the skin and the hair follicles are called “actor Philly”, and when they contract we get chills. But do we really need them? “When it’s cold, the spiky fur forms an insulation layer from the environment, like a duvet, while when an animal encounters a threat – its spiky fur helps it look bigger and menacing,” he describes and cautions. “But the mechanism that made her weasel still exists and makes us ‘duck skin’.”
Can you move your ears too?
If you know how to move your ears, you probably show it off every time you talk about hallucinatory talents. So if you have this talent, you probably have stronger muscles in your ears. But make no mistake, this strange ability has no physiological advantage in humans today.
“Many animals use a version of these muscles to move the ear, as anyone who has ever raised a dog or cat will testify,” explains Dr. Gerty. So for most of us these muscles are too weak to move our ears. Here, too, it is a trait that the need has been lost and has degenerated over millions of years of evolution, “he emphasizes.
Luckily we have a much simpler solution today than that, and if we want to understand where a particular voice came from, we can just move our heads. So in fact, these muscles are generally superfluous.