A typical person takes 12 breaths a minute, with each breath drawing in 0.500 L of outside air. If the air warms up from -10 °C to 30 °C. A. What is the volume of air exhaled with each breath? B. How many moles of air are exhaled? C. What is the heat transfer needed to warm each breath? Molar mass air = 29g/mol. Specific heat (air) = 721 J/(kg•°C) D. What is the rate of heat transfer?

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Human Metabolism

Being described as the most complicated machine ever encountered by humans, the human body and the cell metabolism is nothing less than a wonder. Metabolism is the set of life-sustaining chemical reactions within organisms.