Muhammad Fahad Ansari 12IEEM14

1. The human environment
Muhammad Fahad Ansari 12IEEM14
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2. The human environment
2.1 Laws of thermodynamics...............................................................................6
2.1.1 First law of thermodynamics .................................................................6
2.1.2 Second law of thermodynamics .............................................................7
2.1.3 Third law of thermodynamics................................................................7
2.2 Laws of thermodynamics and the human body .............................................8
2.2.1 Energy and metabolism..........................................................................8
2.2.2 Thermodynamics and the human body ..................................................9
2.2.3 First law of thermodynamics and the human body..............................10
2.2.4 Second law of thermodynamics and the human body .........................10
2.3 Energy transfers ...........................................................................................11
2.3.1 Conduction...........................................................................................12
2.3.2 Convection ...........................................................................................13
2.3.2.1 Newton’s law of cooling..................................................................13
2.3.3 Radiation..............................................................................................14
2.3.4 Evaporation..........................................................................................14
2.4 Survival in cold climates..............................................................................15
2.5 Survival in hot climates ...............................................................................16
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