Skin

What is the skin? Skin Definition

The following is a general overview of basic skin. Because before going into to learn how, the secrets of beauty, disease prevention, ... with the articles shared below we should grasp the outline of the skin to better understand our skin.

Skin is the organ of the excretory system, which covers the body, protects the body from the impact, adverse effects of the external environment on the body. In addition, the main function of the skin is to regulate, feel temperature, synthesize vitamins B and D. Skin is considered one of the most important parts of the body. Surface area is 2m²

Human skin is made up of three layers: the epidermis, dermis and subcutaneous fat.

Epidermis

Horn floor: The stratum corneum consists of dead, tightly packed cells that are easy to peel off.

Living cell layer: The living cell layer consists of cells capable of dividing to form new cells, containing the pigment particles that make up the skin color, some living cells differentiate into hair-producing cells and reproductive cells. nail

Dermis

The dermis is made up of durable connective tissue fibers, including receptors, oily glands, sweat glands, hairs and hairs, pores, blood vessels, nerves.

Oily glands: The task of the sebaceous gland is to produce mucus, which forms a slime layer that covers the skin's surface, helps the skin to be soft, not to watery and to limit the penetration of bacteria from the external environment.

Sweat gland: Subcutaneous beam form (most commonly in hands, feet, armpits, groin, forehead) has 2 to 3 million glands. The task is to sweat (the waste products are filtered from the blood), helps regulate body temperature, causing body temperature to drop to normal temperature when overheated. Lysozyme salt has high antibacterial properties. There are two types of sweat glands: the whole sweat gland and the half-sweat gland.

Feathers and related accessories: Coat consists of: pore, fur, puffed muscle, puffed-up muscle is responsible for shrinking when it is cold, making the hair stand up, tightly covering pores, not allowing the warmth in the body to fly to the air, that will keep the body warm

Fat layer under the skin

Fat tissue: Protects skin from mechanical damage, heat insulation, energy reserve

Nerve: Helps skin identify environmental stimuli.

Blood vessel: Helps skin metabolism with the outside body

Source: According to Vietnamese Wikipedia