Which part of the brain controls the activities of vomiting, sneezing, yawning and breathing rate?

Vomiting, sneezing, yawning and breathing rate are controlled by the medulla oblongata of the brain. It controls all kinds of other actions. While the sub brain of the brain which is the posterior part of the brain, it controls all kinds of voluntary actions.  Hypothalamus controls hunger, thirst, temperature control of the body, secretion of sweat, sorrow, pain etc. and cerebrum controls intelligence, consciousness, willpower, knowledge, memory, speech, contemplation and thoughts.