Which outcome occurs when beluga whales enter warmer waters after prolonged Arctic foraging?

💡 Explanation

Increased peripheral vasodilation allows more blood flow to the skin’s surface, therefore increasing heat dissipation to the water. This offsets the warmer environment rather than retaining heat through countercurrent exchange in the fins and blubber, because brown fat is more for heating and muscles cause shivering.

• Which outcome occurs when a mammal uses vasodilation at high altitude?
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