What is the role of blood vessels in the skin in maintaining a constant body temperature?

The role of blood vessels in the skin is not only to transport oxygen and nutrients to skin cells. This is essential to ensure thermoregulation. Blood is important for keeping warm, warming various parts of the body, and dissipating heat. When the temperature in the environment is high, the person sweats. This helps to increase heat dissipation. The blood gives off heat and so the body cools. The body temperature is regulated by the thyroid gland. It has other functions as well.

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