Identify the parts of the skin and its functions of each

There is no reason for us to not recognize parts of the skin and its functions, the skin is the largest organ of our body with a total area of approximately 2 square meters. The main function of the skin is to protect the body against microbes, help regulate body temperature, and allow us to feel various sensations (touch, heat, and cold) due to information received by the nerve endings in the skin will be forwarded to the brain. By protecting the body against disease germs, then the skin also played an important role in our immune system. The skin play a role mengekskresikan the remains of the metabolism of the body through sweat. No less important, the skin also runs the function of the endocrine system, by helping the formation of vitamin D.

Recognize one by one Part of the skin and its functions
Most of us, especially the women, are more interested in how to take care of the skin so that it looks clean, fresh, glowing, and youthful. Not many are aware that the problems arising on the skin would be much more easily overcome when we understand part of the skin and its functions. Under the surface of the skin there are nerves, nerve endings, glands, hair roots, and the blood vessels. Now comes not, that the skin turned out to be not as simple as it looks from the outside.

Given the role of skin which is very vital in the immune system, settings temperature, excretion, endocrine system, and also our obligation to peel away the mystery behind the skin, which is located at each tier for the sake of layers of the skin itself. Yes, the skin consists of three layers, namely the epidermis, the dermis, and fatty tissue (often also referred to as subcutaneous tissue). Each part of the skin and its functions will be presented through the following explanation.

The epidermis
The epidermis is the outermost part of the skin that is at once the most thin. The epidermis is largely composed of keratinosit cells. Keratinosit cells are formed from the lowest layer of the epidermis. Once formed, the cells of the new keratinosit will move upwards, towards the surface of the epidermis and spent some time there. Then the keratinosit cells would die and are replaced by new cells that are already ' queued ' from below.

The epidermis layer of the skin is waterproof, and if this layer remains intact, would prevent most bacteria, viruses, and other foreign substances that will enter the body. This protection function is also supported by the presence of Langerhans cells in the epidermis layer, which works by recognizing foreign substance will enter the body and strengthens the body's defences against infection. Maybe you've experienced a skin allergy. Allergic reaction on the skin is not pleasant, but it means the Langerhans cells in the epidermis of your good work.

Along with the other layers of skin, the epidermis also protects the organs in, nerves, muscle, and blood vessels of the clash. On some specific parts of the body that require greater protection (such as on the palms of the hands and feet), the outermost part of the epidermis layer is much thicker.

If the section dealing with the skin and its functions, the topic of discussion will be up as well on skin color. On the epidermis also contains melanocytes, the cells that produce melanin, the pigment that determines the substance that is the color of our skin. The main function of melanin actually is to protect the skin from ultraviolet radiation of sunlight. Ultraviolet radiation can damage DNA and cause medical conditions on the skin, including skin cancer.

Familiar with the term collagen? Yes, the collagen found in the epidermis layer of the skin as a constituent of most protein (forming 75% of your skin). Collagen along with another protein called elastin, makes the skin free from fine lines and wrinkles. Over age grew, the body produces makin a little collagen and elastin so not surprised if in old age, a person's skin looks wrinkled and menggelambir. In addition because of the age factor, the decrease in the production of collagen and elastin also can be affected by environmental factors.

The DermIS
In discussing about the parts and functions of the skin, the dermis into the layers of skin that should not be missed. The dermis, which is the layer beneath the epidermis, thicker because it is composed by the connective tissue that provides flexibility and strength for the skin. In this layer there are the nerve endings, sweat glands, sebaceous glands, hair roots, and the blood vessels.

The ends of nerves make us capable of sensing temperature and wide range of sensations such as touch, pressure, and pain. The skin on some specific parts of the body contains more nerve endings end compared to other body parts. For example at the ends of the fingers and toes. The ends of the nerve endings are there more so that more sensitive to touch.

Sweat glands produce sweat in response to heat and stress. There is sweat glands all over the body, but are most numerous in the palms of the hands, soles of the feet, forehead, and armpits. Sweat itself is composed of water, mineral salt, and other chemicals. The sweat coming out of the skin will help cool the body temperature. Sweat glands in the armpit and genital area will produce more sweat soupy, oily, and the typical smell if exposed to contact with the bacteria. This explains why some people have armpit smell unpleasant.

Oil glands in the dermis produce sebum into the root of the hair. Sebum is the oil that makes the skin remains smooth and soft, and supports the epidermis in the act as the protector of the body from foreign substances. You will experience acne when there is too much oil produced so that it accumulates in the cells of the hair roots.

Hair root responsible for the growth of hair in the entire area of the skin. Scalp has lots of hair roots, while the skin of the soles of the feet do not have hair roots at all. Fine hair that is in the whole of the body plays an important role in the setting of the temperature of the body and protects the body from injury. On certain parts of the hair roots also there are cells that can grow up to replace the damaged epidermis layer.

Part of the dermis of other no less important is the blood vessels. The blood vessels supplying nutrients to the skin morning duty. Blood vessels are also berespon against heat or cold in the vicinity by way of narrowing or widening, so instrumental in setting the temperature of the body. When exposed to heat, the blood vessels will be widened to allow more blood flow to near the surface of the skin, for cooling effect. When exposed to the cold, the blood vessels will be narrowed to retain body heat.

Fatty tissue (subcutaneous tissue)
Discussion on the function of the skin and the layers of the skin, namely subcutaneous tissue or fatty tissue located under the dermis. Fatty tissue helps retain body heat to protect you from the cold temperatures, as the bearing body, and storing energy reserves. The thickness of the fatty tissues varies. On the eyelids for example, fatty tissue will be very thin. Instead, on the area of the abdomen and pelvis, fatty tissue can be very thick in some people.

So the article can we present on the skin and its functions. Skin problems that often we experience such as acne, dull skin, until the yeast infection or body odor will be more easily resolved if we know the structure of the skin nicely. Hopefully useful!