As long as the air around you is cooler than your body,you radiate heat to the air. But this transfer stops when the air temperature approaches body temperature. Radiation requires rerouting blood flow so more of it goes to the skin. This makes the heartbeatfaster and pumpharder.
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Answer:
As long as the air around you is cooler than your body,you radiate heat to the air. But this transfer stops when the air temperature approaches body temperature. Radiation requires rerouting blood flow so more of it goes to the skin. This makes the heart beat faster and pump harder.
Explanation:
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