set point is the physiological value around which the normal range fluctuates
normal range is the restricted set of values that is optimally healthful and stable
<aside> 💡 The set point for human body temperature is 37C or 98.6F.
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negative feedback is the mechanism that reverses a deviation from the set point
a sensor is a component in a feedback system that monitors a physiological value
also called a receptor
the control center is the component in a feedback system that compares the value to the normal range
if the value deviates too much from the set point then the control center activates an effector
an effector is the component in a feedback system that causes a change to reverse the situation and return the value to the normal range
this intensifies a change in the body's condition rather than reversing it
childbirth is a great example of this