quiz 6 hbio420L

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24 Terms

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±Humans are  

°Maintain constant core body temperature of 37°C/98.6°F ± 1°C/1.8°F

homeotherms

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skin, blood temperature

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turn off the heat

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Heat-losing center

commences sweating

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Heat-Promoting Center

norepinephrine

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of heat loss

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direct

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±Convection:

°Heat loss to air/water through
   around the human body.

movement of currents

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liquid to vapor

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production, body temperature

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convective

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HR, respiration (TV, RR, Ve)

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muscle glycogen

lactic acid

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Factors that Improve Heat tolerance

delayed and magnitude blunted

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Factors that Improve Heat tolerance

workload ( % VO2 )

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Factors that Improve Heat tolerance

improves insulation

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Heat Acclimatization

within 7-14 days, sweating

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inactivity

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±Thirst mechanism doesn’t keep up with

°Argument for sports drinks

dehydration rate

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±ACSM Fluid Replacement Recommendations

Before exercise, drink:

±~500 ml 2 hr before exercise

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During exercise, drink:

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