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Nature & Animals

Which outcome occurs when large mammals experience prolonged cold water exposure?

A)Skeletal muscle shivering thermogenesis increases sharply
B)Cutaneous vasoconstriction rapidly decreases core temperature
C)Brown fat metabolism generates heat centrally
D)Metabolic suppression initiates torpor immediately

💡 Explanation

Skeletal muscle shivering thermogenesis increases rapidly because rapid muscle contractions generate heat. Shivering is a reflex to elevate body temperature by converting energy into heat, rather than relying on conduction through vasoconstriction; therefore, maintaining core temperature is prioritized.

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