According to the legend of Spider-Man, at the moment of the bite, the spider injected saliva, and DNA was inserted from the spider to the person. And so Peter Parker acquired many of the properties of a spider. I and my friends have never met people with spider abilities in our lives. Neither I nor my friends have ever heard information that a person with spider abilities lives somewhere. Testing this legend on a living person is not humane. It turns out that we cannot practically confirm or refute this legend; we will try to understand it theoretically.

To do this, we studied literature that helped us learn about the ability to transfer information from one organism to another. A living organism consists of organs: skin, muscles, blood, heart, brain, lungs and so on. Organs are made up of cells. And the cells already contain the so-called DNA. It stores unique hereditary information about every living organism. DNA is passed on to children from their parents through inheritance. The DNA of every living organism is unique and inimitable. Therefore, all living beings are different: one person has brown eyes, dark hair, he quickly counts in his head and draws well. And the other person has blue eyes, blond hair and runs faster than others. This same DNA was integrated into Peter Parker's cells when the spider injected saliva.

Let's find out what saliva is. Living organisms in the process of their life produce several types of liquid, called secretions: saliva, sweat, tears. These special types of fluid do not contain cells, which means they do not contain DNA. Therefore, there was nothing to be built into Peter Parker's cell.

Let's assume that along with the saliva from the spider, some particles from the spider's jaws containing cells got into the person. DNA integration could not occur in this case either. Because any integration of DNA into a human cell can only occur under special, specially created conditions in the laboratory, in other words, in a test tube under a microscope. There must be a chemical solution, a certain temperature and many other factors. But nothing like this was shown in the film. The special science of genetic engineering deals with the artificial insertion of DNA.

Let's make the following assumption - the necessary conditions were nevertheless created, but not shown in the film, and a mutation occurred. The spider bit the hero in the hand. That is, during the bite, DNA was introduced into the skin cells of the hand. That is, the skin at the site of the bite has changed. Therefore, the changes could only have occurred in a small area of ​​Peter Parker's arm, and not throughout the entire body.

It turns out that when a spider bites, its properties cannot be transferred to a person.

In fact, a spider bite can be dangerous to human health. The poison causes severe pain, fever rises, dizziness, and long-lasting wounds may form at the site of the bite. The bite can even be fatal to humans if immediate action is not taken.

The importance of spiders for humans is usually reduced to the harm caused by their bites. Yes, all spiders are poisonous, but only some species are dangerous to humans: black widow, karakurt, hermit spiders, yellow-brown spiders. Most spiders do not pose a danger to humans, since they cannot bite through human skin, or the amount of their poison for humans is very small - and is comparable in consequences to bee stings. People often use spider venom in medicine. Spider silk is of greatest interest to humans. Back in the 18th century, gloves and stockings were made from spider webs in France, which are stored in the French Academy of Sciences. However, production was very expensive. Nowadays, spider webs are used to make intersecting threads in the eyepieces of various optical instruments. Polynesian fishermen use golden spider thread as fishing line. Some tribes in New Guinea use spider web cocoons as rain hats. Now scientists from 6 countries are working on a project to use spider threads in medicine. It is intended to use the web to make artificial tendons and ligaments for humans. This material is durable, strong, does not rot and is not rejected by the human body.

Spiders are also needed for the proper balance in nature, as they eat insects.

Spiders themselves have many enemies. Birds, ants, mantises and wasps are the worst enemies of spiders. People also have a bad habit of disturbing the lives of spiders. Often toxic chemicals are used in agriculture and entire populations of spiders are destroyed. A very large number of spiders are listed in the Red Book and are currently on the verge of extinction.

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