The main components of the analyzer are: the working organ, the efferent neuron; receptor, communication channel, central department; neurons of the cerebral cortex, neuroglia; pre- and postganglionic autonomic neurons.

The correct answer is: receptor, communication channel, central department.<br /><br />The main components of the analyzer are the receptor, communication channel, and central department. The receptor is responsible for detecting and responding to stimuli from the environment. The communication channel is responsible for transmitting the information from the receptor to the central department. The central department is responsible for processing the information and making decisions based on it.