The hindbrain consists of three parts each having their defined functions.
Cerebellum: Muscle Co-ordination, maintenance of body balance equilibrium and posture.
Pons Varolii: Along with the Medulla Oblongata it regulates the breathing rate. It also serves as a conduction pathway between spinal cord and the brain.
Medulla Oblongata: It controls heart beat, respiration and blood pressure. It has reflex centres for vomiting, coughing, sneezing, hiccupping.