Final answer:
The final answer is a the cerebellum's functions include coordinating muscle action, controlling posture, and maintaining balance but not controlling cardiac function, which is the brainstem's role.
Step-by-step explanation:
The function the cerebellum does not perform is c. controls cardiac function.
The cerebellum, located at the base of the brain, is essential for coordinating motor movements and maintaining balance and posture.
It receives input from sensory systems such as the proprioceptive system, which provides information about the position of the body, and the vestibular system, related to balance.
The cerebellum also plays a crucial role in procedural learning, such as developing the motor skills required for activities like touching typing or athletic endeavors. Importantly, while it is involved in the control of skeletal muscles and balance, the cerebellum does not directly influence cardiac function, which is regulated by the brainstem and the autonomic nervous system.