Homoiostase


 Like a thermostat on an air conditioner, the body tries to maintain homeostasis, the natural state of the body‘s systems, with goals, drives, and arousal in balance. When a drive or goal is aroused—for instance, when we are hungry—the thermostat turns on and we start to behave in a way that attempts to reduce the drive or meet the goal (in this case to seek food). As the body works toward the desired end state, the thermostat continues to check whether or not the end state has been reached. Eventually, the need or goal is satisfied (we eat), and the relevant behaviors are turned off. The body‘s thermostat continues to check for homeostasis and is always ready to react to future needs. 


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