Fore brain of brain is made up of olfactory lobe, cerebrum and diencephalon. Cerebrum is divided into two cerebral hemisphere. By Hippocampal fissure each cerebral hemisphere divided into two hippocampal lobes. Outer hippocampal lobe is divided into frontal lobe and temporal lobe. Broca's area in human brain is present in frontal lobe. Broca's area is also known as sensory speech area or motor speech area. It contains the mechanism to control movements of tongue, lips and vocal chords.
Involuntary function like hiccouping and breathing is controls by medulla oblongata.