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The human environment

Muhammad Fahad Ansari 12IEEM14

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The human environment2.1 Laws of thermodynamics...............................................................................6

2.1.1 First law of thermodynamics .................................................................62.1.2 Second law of thermodynamics .............................................................72.1.3 Third law of thermodynamics................................................................7

2.2 Laws of thermodynamics and the human body .............................................82.2.1 Energy and metabolism..........................................................................82.2.2 Thermodynamics and the human body ..................................................92.2.3 First law of thermodynamics and the human body..............................102.2.4 Second law of thermodynamics and the human body .........................10

2.3 Energy transfers ...........................................................................................112.3.1 Conduction...........................................................................................122.3.2 Convection ...........................................................................................132.3.2.1 Newton’s law of cooling..................................................................132.3.3 Radiation..............................................................................................142.3.4 Evaporation..........................................................................................14

2.4 Survival in cold climates..............................................................................152.5 Survival in hot climates ...............................................................................16

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