You are presented with the question "What are connected to structural and functional units of the nervous system?" and the following answer choices: 
- eardrum
 - axons
 - bacteria
 - cilia
 - organ
 - motors
 - skin cells
 - nerves

Now knowing that neurons are the structural and functional units of the nervous system and connections can be made neuron to neuron or neuron to axon, choose the best answer.


 

  axons       