The is a network of nerves located in the brainstem.
a. reticular formation
b. cerebral cortex
c. hypothalamus
d. medulla

a. Reticular formation The reticular formation is a set of interconnected nuclei that are located throughout the brainstem. The reticular formation is not anatomically well defined because it includes neurons located in diverse parts of the brain. The neurons of the reticular formation all play a crucial role in maintaining behavioral arousal and consciousness. The functions of the reticular formation are modulatory and premotor.

Answer up to 6,000 fatal crashes a year;