| OCR Text |
Show • 10 vasodilation cutaneous (Gisolfi, storage is proportional load, in between acclimatization et (Mitchell individuals intensities their heat of efficiency al., work relative, not absolute, similar absolute exercise at differences as 1983). temperature differences core working to heat Because loss to due are known systems, 1976). I When heat period loss storage increases heat time, of heat exceeds production and for extended an illness may heat , exhaustion Heat result. increased when occurs i peripheral , , blood intense flow and reduce sweating the amount of • blood circulating returning cool, clanuny skin, a rapid heart Less rate. lower the to than normal is blood heart. blood and the Heat stroke, a thermal balance is & Fahey, 1984). medical emergency, occurs when control as (Brooks evidenced by hot, cessation of Heat temperature. calves the and cramps, stomach, accompanying loss because water of processes provides occur reduce or (Brooks delay an muscle major out of skin, the in the spasms during intense sweating with Mineral secondary importance the medium an to explosive rise in body electrolytes. & look grayish (sometimes white) especially occur may is usually of however, To and sweating, dry Fahey, to in which all loss, fluid loss cellular 1984). excessive increase in heat • storage and possible heat illness, the a brain, the to being pumped a and pressure, possibly causing dizziness, headaches, face in This results sympathetic nervous |