Thermoregulation. Homeostasis. Homeostasis. organ systems are interdependent share same environment c omposition effects all inhabitants internal environment must be kept stable maintaining stable internal environments-homeostasis dynamic equilibrium. Homeostasis.
skin receptors detect increase in temperaturemessage sent to preoptic nucleus heat loss center (also in hypothalamus)stimulated sets off series of events heat loss
inhibition of vasomotor centerperipheral vasodilationwarm blood flows to skin’s surface
as skin temperatures rise, radiation & convection loses increase
sweatglands stimulated increase output evaporative loss increases
respiratory centers stimulateddepth of respiration increasesMechanisms for HeatLoss