1. The ideal exercise environment has been shown to be at 20°C. What factors might explain the exercise performance decline at 33°C? Explain the physiological mechanism. 2. What is the difference between thermoregulation with fever and with exercise? 3. Describe the different effects of heat acclimatization. 4. Describe and explain the MOV model. 5. Explain why you need a minimum of 63 ml O2/min/kg to climb on top of Everest. (Note: The text is already properly formatted and presented in a clear, coherent manner. No spelling, typographical, grammatical, OCR, or mathematical errors were found.)

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