Homeostatic regulation usually involves a(n) ________ that detects a particular stimulus, and a(n) ________that responds to the stimulus by communicating with a(n) ________ whose activity has an effect on the same stimulus.
A) control center; effector; receptor B) receiver; communicator; effector C) receptor; control center; effector D) effector; receiver; communicator E) control center; receiver; effector