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Explain the term Vasodilation and Vasoconstriction. how do these process contribute in temperature-regulationof the body?
Wiki User
∙ 12y ago
Vasodilation refers to an opening or widening of the blood vessels. When this occurs close to the surface of the skin, the skin feels flush and warm to the touch and heat can escape from the body.
Vasoconstriction is a narrowing of the blood vessels so less blood flows through. Less blood, less heat. The blood is directed deeper into the body to warm and provide nutrients to the muscles and vital organs.
Wiki User
∙ 12y ago
Vasodilation refers to the widening of blood vessels, increasing blood flow and heat loss through the skin, which helps to cool down the body during hot conditions. Vasoconstriction, on the other hand, is the narrowing of blood vessels, reducing blood flow and heat loss through the skin, which helps to retain heat and warm up the body during cold conditions. These processes play a crucial role in temperature regulation by adjusting blood flow to the skin to maintain a stable core body temperature.
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Vasodilation refers to an opening or widening of the blood vessels. When this occurs close to the surface of the skin, the skin feels flush and warm to the touch and heat can escape from the body.
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