Unlike the somatic nervous system, the autonomic nervous system
a. is part of the motor division of the peripheral nervous system.
b. controls movement of the skeletal muscles under conscious control.
c. consists of a sympathetic and parasympathetic nervous system.
d. regulates voluntary activities.

The automatic nervous system is responsible for the internal organs in the human's body and regulation of its functions: the heart rate, digestion, respiratory rate, pupillary response, urination, and sexual arousal. 
Unlike the somatic nervous system, the autonomic nervous system consists of a sympathetic and parasympathetic nervous system.