What connects the spinal cord with the cerebellum and cerebrum?

The brainstem is the structure that connects the spinal cord with both the cerebellum and the cerebrum. It plays a crucial role in transmitting information between these parts of the central nervous system. The brainstem is responsible for many vital functions including regulating heart rate, breathing, and sleeping. It encompasses the medulla, pons, and midbrain, which collectively facilitate communication between the spinal cord and higher brain centers like the cerebellum and cerebrum. This connectivity is essential for coordinating motor control, sensory processing, and various autonomic functions, making the brainstem a vital hub in the nervous system.

Other options such as the medulla, which is part of the brainstem, primarily govern specific functions such as autonomic control, but do not encompass the full range of connections provided by the entire brainstem. The cerebellum is responsible for balance and coordination, while the thalamus serves as a relay station for sensory signals but does not serve as the main connector between the spinal cord and the cerebellum or cerebrum.