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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