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← Nature & AnimalsWhich tissue effect results when peripheral blood flow in a hibernating groundhog shifts dramatically?
A)Brown fat thermogenesis remains constant
B)Local hypothermia risk increases sharply✓
C)Metabolic rate accelerates significantly
D)Glycogenolysis is locally unaffected
💡 Explanation
Local hypothermia becomes a risk, because redistribution restricts heat delivery; the mechanism is peripheral vasoconstriction decreasing oxygenated blood flow into extremities. Therefore extremities cool faster, rather than remaining metabolically active, supplied fully with glycogenolysis substrates or unchanged by hibernation physiology .
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