Question

Составляющие дермы, обеспечивющие терморегуляцию через кожу рецепторы сальные железы артерии и вены волосы​

Answer 1

Ответ:

Объяснение:

Артерии и вены.

Answer 2

Components of the Dermis for Thermoregulation

The dermis is the second layer of the skin, located beneath the epidermis. It is responsible for various functions, including thermoregulation, which is the regulation of body temperature through the skin. Several components of the dermis contribute to thermoregulation, including sweat glands, blood vessels, and hair follicles.

1. Sweat Glands: Sweat glands are one of the key components of the dermis involved in thermoregulation. They produce sweat, which is primarily composed of water, electrolytes, and small amounts of other substances. When the body temperature rises, sweat glands are activated to release sweat onto the skin's surface. As the sweat evaporates, it cools the skin and helps regulate body temperature.

2. Blood Vessels: Arteries and veins in the dermis play a crucial role in thermoregulation. When the body temperature increases, the blood vessels dilate (vasodilation), allowing more blood to flow near the skin's surface. This process helps dissipate heat from the body to the environment. Conversely, when the body temperature drops, the blood vessels constrict (vasoconstriction), reducing blood flow to the skin and conserving heat.

3. Hair Follicles: Hair follicles are also involved in thermoregulation. Each hair follicle is associated with a small muscle called the arrector pili muscle. When the body is exposed to cold temperatures or experiences certain emotions (such as fear or excitement), the arrector pili muscles contract, causing the hair to stand on end (goosebumps). This response helps trap a layer of air close to the skin, providing insulation and helping to retain heat.

In summary, the dermis contains sweat glands, blood vessels, and hair follicles, all of which contribute to thermoregulation. Sweat glands produce sweat to cool the skin, blood vessels regulate blood flow to dissipate or conserve heat, and hair follicles help trap air for insulation. These mechanisms work together to maintain the body's optimal temperature.

I hope this information is helpful! Let me know if you have any further questions.