Name the three major regions of human brain. Which part of brain maintains posture and equilibrium of the body?

Major Regions of Brain

Fore Brain: Olfactory lobes (2), Cerebrum (2 cerebral hemispheres) and diencephalon.

Mid Brain: Cerebral peduncles (crura cerebri) and four quadrigemina.

Hind Brain: Cerebellum, pons and medulla oblongata.