The 3 segments of the brainstem are the midbrain, pons & this, which regulates coughing & sneezing
[DOC] [TLE] Parts of the Brain Stem: The Medulla Oblongata and Pons - Video ... [PAR] Parts of the Brain Stem: The Medulla Oblongata and Pons .... Midbrain: Definition, 
Function & Structures ....