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← Nature & AnimalsWhich outcome occurs in arctic mammals when radiation exposure causes overheating?
A)Peripheral vasodilation promotes heat dissipation✓
B)Metabolic rate temporarily increases
C)Shivering thermogenesis rapidly commences
D)Brown fat activation drives ATP production
💡 Explanation
Peripheral vasodilation causes increased blood flow to superficial tissues, enabling heat dissipation through convection because blood vessels widen; therefore the mammal sheds heat efficiently rather than storing it inducing harmful hyperthermia.
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