| OCR Text |
Show 12 activated to dump waste heat by accordance with the rise flow skin new open up capillary dilation of cutaneous veins. longer time interval a This effect 1950). is and beds in skin also by increases Venodilation transit time of blood through the allowing increase exertion the vessels relaxation of resistance by occurs to serving internal temperature. intense During prolonged, blood in sweating in and vasodilation the superficial tissues for heat transfer particularly important in (Goetz, limbs the . that the have a dual drainage. venous tissue and receive blood subcutaneous skin whereas deep veins receive blood The deep veins innervation veins are upon the Wenger, have relatively a (Webb-Peploe & poor Shepherd, innervated and dilate well amount of negative primarily the from muscle. primarily sympathetic but 1968), superficial appropriately depending feedback received the rise in (Gisolfi & temperature is delayed, internal peripheral skin temperature responds rapidly influenced by ambient conditions circulating waste blood from convection, and means the water the body is able to be heat by varying degrees primary from in 1984). Whereas skin, lie veins superficial of sweat dissipating vapor pressure core strongly As 1983). warm, is redistributed to the dissipated to the environment evaporation, radiation, conduction. for (Gisolfi, is and Sweat evaporation, waste gradient heat, is between the a the body's function of skin and • |
