The _________ is sometimes referred to as the "old brain" because it is evolutionarily the oldest and controls basic body functions like heart rate and unconscious breathing.

Question

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The brain stem, which includes the medulla, pons, and midbrain, is sometimes referred to as the "old brain" because it is the most evolutionarily ancient part of the brain and controls basic functions like heart rate and breathing. The cerebellum (A) is involved in motor coordination and balance, the cerebrum (B) is the largest part of the brain and responsible for conscious thought and higher-level processing, the cerebral cortex (C) is the outer layer of the cerebrum where information processing occurs, and the ventral tegmental area (E) is a region in the midbrain involved in the reward pathway and addiction.

The _________ Is Sometimes Referred to as the "Old Brain