O-LevelBiologyCoordination & Response5090/11 · Oct/Nov 2025 · Q241 Mark
An athlete's resting body temperature is 37.0 °C. After vigorous exercise for 30 minutes, the athlete's body temperature rises to 38.6 °C. The athlete rests for 10 minutes. After resting, the athlete's body temperature is measured again and is 37.2 °C. Which events take place in the athlete's body during the 10-minute rest to lower their body temperature?
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Aarterioles near the surface of the skin contract, heat energy is lost through evaporation of sweat
Barterioles near the surface of the skin contract, heat energy is lost through shivering
Carterioles near the surface of the skin dilate, heat energy is lost through evaporation of sweat
Darterioles near the surface of the skin dilate, heat energy is lost through shivering
✓ Correct answer
C: arterioles near the surface of the skin dilate, heat energy is lost through evaporation of sweat
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