Axons of Respiratory Motor Neurons in the _______ Medulla Leave

Multiple Choice

Axons of respiratory motor neurons in the _______ medulla leave the CNS and form the phrenic nerve that innervates the _______; these neurons fire during normal inhalation.Respiratory motor neurons in the _______ medulla communicate via thoracic spinal nerves to the _______; these neurons fire during strenuous exercise.

A) ventral; diaphragm; dorsal; intercostal muscles
B) dorsal; diaphragm; ventral; intercostal muscles
C) ventral; intercostal muscles; ventral; diaphragm
D) dorsal; intercostal muscles; ventral; diaphragm
E) dorsal; abdominal muscles; ventral; intercostal muscles