The cerebellum, a component of the hindbrain, is in charge of regulating bodily posture and balance.

Explanation:

The cerebellum is a part of the brain located at the back of the brain, below the cerebrum.

Its main functions include:

Maintaining body posture — helps you sit and stand upright.
Maintaining balance/equilibrium — helps prevent you from falling while standing or walking.
Coordinating muscle movements — makes movements smooth and accurate.
Maintaining coordination between your eyes, muscles, and joints.

Example: When you walk on a narrow path, your muscles continuously make tiny adjustments to keep you from falling. The cerebellum coordinates these adjustments and helps maintain your balance.