Answer:
The answer is: A. cerebellum
Step-by-step explanation:
The brain is characterized by being the most complex organ in the human body. It is made up of the cerebellum and the brain stem. The main functions of the cerebrum are touch, vision, and precise control of movement. While the brain stem is in charge of involuntary functions (breathing, heart rate, etc.). The main functions of the cerebellum are to coordinate muscle movements, maintain posture and balance.