Everyone knows that man is endowed with nature with the five main senses that ensure his orientation in space. Some of them are present in the body of each of us in equal “volume”, others manifest themselves in different people depending on their individual characteristics.
Introducing 10 little-known human feelings.
10. Feeling of nausea
In the human body there are special nervous formations, upon irritation of which there is a feeling of nausea. Due to their activity, vomiting can occur at some point and the contents of the stomach will move into the esophagus, regardless of the person's desire. When, for some reason, a failure occurs in this system, vomiting can become indomitable or, conversely, a person will no longer be capable of vomiting.
9. A feeling of lack of oxygen
There is a type of receptor called peripheral. These structures respond to changes in the concentration of oxygen and carbon dioxide in the body. With a deficiency of oxygen or an increase in carbon monoxide in the environment, the body switches to a different breathing regime - a rarer one. These receptors regulate the process of filling lung tissue with air.
8. A sense of balance
This mechanism is under the control of a small formation, which is located in the inner ear of a person. How this feeling works can be understood by the example of how a person who is intoxicated feels: he loses his sense of balance for a while, while his hearing remains intact, despite such a close proximity of these organs.
7. Feeling of heat / cold
Someone will say that the receptors responsible for touch are responsible for this. However, it is not. In fact, in the process of perceiving the temperature of the environment involved parts of the spinal cord and brain.
The clarity of the feeling of temperature differs in different parts of the skin. In some zones, a person feels the difference in temperature by half a degree, in others - by 75%, and in the third - it remains completely invisible. The more the object heats up, the stronger it affects the thermal nerve and, accordingly, the more intense the person feels heat at this moment. However, this happens to a certain extent: if the object is too hot, a person will perceive its effect as pain, and not as heat. In the same way, an object that is very chilled can cause pain.
6. Proprioception
Proprioception is a feeling that allows you to feel the spatial position of the parts of your body and their movement. Each person possesses this property. Without it, the existence of each of us would be very difficult. Unfortunately, it’s quite rare, however, there are people who for one reason or another disrupt this mechanism, and because of this they have to consciously control any of their actions that healthy people can perform without even thinking about them.
5. Feeling of fullness
Each person always feels when he needs to eat or drink, and also when his stomach is full. These impulses are sent by the brain. During eating, the walls of our stomach gradually stretch and when the physiological limit reaches, the desired signal is sent to the brain. This mechanism can be clearly explained using a simple example. When a person chews food, measured and thoroughly, he absorbs exactly as much as he needs to get rid of hunger. If you eat the same amount of food very quickly, then the feeling of fullness will not have time to come and, most likely, we will want supplements, and after a while we will understand that we overdid it. This can be explained by the fact that the signal from the receptors located in the wall of the stomach, in this case, does not have time to reach the brain in such a short time, so the sensation of saturation occurs with some delay.
4. Feeling itchy
First of all, it should be said that itching does not apply to touch. If some kind of irritant (including insects that can harm a person) gets on the surface of the skin, the receptors send a signal to the brain that indicates danger. The person begins to scratch the irritated area, thereby possibly removing the cause of the itching from there.
3. A sense of direction
It is proved that in man the ability to subconsciously feel the direction of motion is inherent in nature. Although, it should be noted that in the vast majority of people this ability is poorly developed, unlike representatives of the animal world, for example, birds know where the “warm edges” are on an instinctive level.
2. The sense of time
This ability is most pronounced in young people. To say that this feeling does not exist is stupid, because each of us in one way or another feels it. However, to deceive this very feeling is also quite possible.
1. Feeling of pain
The occurrence of pain can also not be attributed to the mechanism of touch. This sensation has a different, more complex, formation process.
A person can feel pain from skin damage, burns, pathological internal processes, etc. The receptors located in the skin structure provoke the movement of the impulse to the spinal cord. The spinal cord can “suppress” or transform this signal before it enters the corresponding center of the brain.
The main purpose of pain is to draw a person's attention to any dangerous endogenous or exogenous processes that require quick elimination. Without the ability to feel pain, we would be defenseless in front of the outside world, because we could not feel the outgoing danger.