how does the dilation of dermal blood vessels help to decrease body temperature
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When we exercise, blood flow is increased to our skin, which helps heat to leave our bodies. The increase in blood flow is due to vasodilation.
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One of the symptoms of overheating in a human is a flushed (reddish) face. Which of the following statements is accurate in describing what is occurring in terms of thermoregulation? Blood vessels are dilating causing higher heat transfer at the surface. Blood vessels are constricting causing higher heat transfer at the surface. Blood vessels are constricting causing lower heat transfer at the surface. Blood vessels are dilating causing lower heat transfer at the surface.
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