quiz 6 hbio420L
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24 Terms
±Humans are
°Maintain constant core body temperature of 37°C/98.6°F ± 1°C/1.8°F
homeotherms
skin, blood temperature
turn off the heat
Heat-losing center
commences sweating
Heat-Promoting Center
norepinephrine
of heat loss
direct
±Convection:
°Heat loss to air/water through
around the human body.
movement of currents
liquid to vapor
production, body temperature
convective
HR, respiration (TV, RR, Ve)
muscle glycogen
lactic acid
Factors that Improve Heat tolerance
delayed and magnitude blunted
Factors that Improve Heat tolerance
workload ( % VO2 )
Factors that Improve Heat tolerance
improves insulation
Heat Acclimatization
within 7-14 days, sweating
inactivity
±Thirst mechanism doesn’t keep up with
°Argument for sports drinks
dehydration rate
±ACSM Fluid Replacement Recommendations
Before exercise, drink:
±~500 ml 2 hr before exercise
During exercise, drink:
Note 
Flashcards (24)