Medulla oblongata contains centre for the control of heart beat, respiration, digestion, blood pressure, gut peristalsis, swallowing of food, secretion of gland, involuntary function, $i.e.,$ vomiting, coughing, vasoconstrictor, vasodilator, sneezing, hiccuping, etc., medulla oblongata is not the centre for temperature regulation, it is controlled by ‘hypothalamus’.