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marysya [2.9K]
4 years ago
15

When body temperature rises during physical activity, which thermoregulatory response is stimulated?

Chemistry
1 answer:
navik [9.2K]4 years ago
8 0

Answer: Heat dissipation mechanism

Explanation: Heat dissipation mechanism is a thermoregulatory response in humans whereby the hypothalamus of the brain initiates certain processes to reduce the high body temperature. Eg, sweating is initiated which helps cool down the body temperature, also superficial arteries are dilated, thereby leading to flushing and decreasing heatloss into the air. And metabolic heat production is also reduced.

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Explanation:

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As we know that the relation between heat and change in temperature is as follows.

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Putting the values into the above formula to calculate the final temperature as follows.

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       69000 J = 8100 g \times 4.18 J/g K \times (T_{f} - 306.9 K)                

           69000 J = 33858 \times (T_{f} - 306.9 K)

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