Not a component of Brain stem

Brainstem 1. Medulla:responsible for regulating and/ or coordination of: - Blood pressure. - Breathing. - Swallowing. - Coughing. - Vomiting. 2. Pons : participates in respiratory regulation and the relay of information from cerebral hemispheres to the cerebellum. 3. Midbrain : participates in coordination of visual and auditory systems.