An average human body produces about 10 mj of heat each day, Ask an Expert

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An average human body produces about 10 MJ of heat each day through metabolic activity. If a human body were an isolated system of mass 65 kg with the heat capacity of water, what temperature rise would the body experience? Human bodies are actually open systems and the main mechanism of heat loss is through evaporation of water. What mass of water should be evaporated each day to maintain constant temperature?

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