Perceiving pain and assisting in regulating muscle reflexes, breathing, and arousal are all functions of the a. cerebral cortex b. medulla c. reticular formation d. pons

The correct answer is option C,reticular formation

Explanation:

The reticular formation is made of interconnected nuclei that intrude into different segments of brain and the nervous system and thus they are responsible for several functions.  

For example –  

The ascending reticular formation is in touch base with the thalamus and thus it is responsible for sleep related reflexes such as walking in sleep etc. like wise the descending segment of the reticular formation is in touch base with the hypothalamus and thus is related to posture related reflexes and autonomic nervous system activities. The descending reticular control reflexive behavior such as vomiting coughing, swallowing, arousal, breathing etc.  

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