Which structure of the eye forms a transparent layer responsible for refraction of light through the iris? 

Which division of the nervous system has long preganglionic axons and ganglia that are far from the central nervous system? 

Which of the following neuron types have axons that extend from the brain to the lower motor neurons? 

Which two structures are connected by the auditory (Eustachian) tubes?

Which term below means decreased sensitivity to a continued stimulus? 

Match the body’s response to the division of the ANS that causes it. Matches will be used more than once. 

Which of the following is true of the parasympathetic nervous system?

Select all of the following statements that are true regarding the parasympathetic nervous system. 

What is the first neuron in any series of two motor neurons in an autonomic pathway called? 

Select all of the following terms that describe sympathetic ganglia that lie in a vertical row on either side of the vertebral column.