In many respects, this body is the most-most: the largest, heaviest and most multifunctional. Where is it located and what is it called?
We are talking about the skin, the heaviest in the body, because it has up to 3kg of weight. it's the same
and the largest organ of man. If it is leveled, for example, then it will cover up to 2.3 m² of area. Hair and nails, by the way, also belong to our outer cover, being its appendages.
From a medical point of view, the skin can be defined as an organ, because it consists of tissues of various kinds, which are in continuous interaction.
So, for example, the cover of the human body, like all vertebrates, not only protects it from external influences, but also takes part in water and salt metabolism, and also performs the functions of the sense organ and excretory. The skin is involved in respiration, in thermoregulation and even acts as a storage for fluids and nutrients.
The largest human organ has three layers: epidermis (upper layer), dermis (middle) and subcutaneous fat (lower layer or hypodermis).
Let's take a closer look at the epidermis
The surface of the skin reaches 5 mm in thickness on the soles of the feet, but otherwise, on all exposed parts of our body, this is the thinnest layer of 0.1 mm. It is the epidermis that protects the body from fungus and various bacteria, supports the elasticity of the skin.
The uppermost layer of the epidermis, glued with sebum, is dead and keratinized. And the lower one is the basement membrane bordering the dermis. It contains continuously dividing germ cells, which, having come off, begin their way up. In the process of advancing from them as a result of chemical reactions, the cell nucleus and organelles are displaced, and the cells, which now mainly comprise keratin, die. This entire cycle lasts up to 30 days.
The lower layer of the skin has a high content of fat cells, acting as a storehouse of our energy, it also performs the function of thermal insulation. The hair roots descend into this layer and here are the largest of the blood vessels that feed the skin.
Skin is the sensory organ.
You have noticed that many of the emotions of a person perfectly reflect our largest
organ? If we are ashamed, we are angry, happy or very happy with something - our skin turns red. It is clear that this is due to increased blood circulation and the connection of additional vessels to the work.
But at the moment of fear, we, on the contrary, turn pale, and then it seems to us that even the hair stood on end. And this is the result of the outflow of blood to the heart and muscle tension.
Stress or an increase in excitability also clearly expresses the largest human organ. It is noticed that after such conditions we often have a rash and irritation on the skin. But in moments of spiritual harmony or happy love, it becomes clearly healthier and younger.
In addition, the largest human organ mirrors the state of the whole organism. He will indicate the existing pathological processes in the work of the gastrointestinal tract, blood-forming system, genital area, etc.
If you take care of the skin, maintaining its cleanliness and elasticity not only with hygienic procedures, but also with a healthy lifestyle, as well as age-appropriate creams and scrubs, then you will look young for a long time.
And let your largest organ in man never give the age of its owner!