The final job performed by muscle tissue, in response to nervous impulses, is to execute actions or movements.

If the cerebellum failed to function, activities like walking in a straight line, riding a bicycle, and picking up a pencil would lack precision and coordination. Individuals might experience difficulties in maintaining balance and performing these actions smoothly.

The cerebellum contributes by maintaining the posture, balance, and precision of these voluntary actions, allowing for smooth and coordinated movements.

The cerebellum is responsible for the precision of voluntary actions, ensuring coordinated movements such as walking in a straight line, riding a bicycle, and picking up a pencil.

The medulla in the hind-brain is mentioned as the part responsible for controlling various involuntary actions, including blood pressure, salivation, and vomiting.