One motor neuron and all of the muscle fibers it innervates is called the motor unit.

Which of the following statements about the enteric nervous system is TRUE? A: It functions both autonomously and by communication with the central nervous system B: Its neurons are embedded only in the tunica mucosa C: It controls secretion, but has no effect on motility in the intestine D: It innervates the esophagus and stomach, but not the intestines E: It’s not communicated with the central nervous