Which of the following is a major difference between the autonomic nervous system (ANS) and the somatic nervous system (SNS)?
a. The arrangement of the neurons connecting the CNS to the effector organs is different between the ANS and the SNS.
b. Efferent neurons exist only in the SNS.
c. Afferent neurons exist only in the ANS.
d. Afferent information in the ANS is processed in the CNS, but not in the SNS.
e. Efferent impulses are sent to effector organs in the SNS, but not in the ANS.
