The brain structure that controls unconscious but essential functions such as breathing and circulation is the:
Correct answer: D. medulla
- A. cerebellum
- B. corpus callosum
- C. hypothalamus
- D. medulla
Explanation
The medulla, part of the brainstem, regulates vital involuntary functions such as breathing, heart rate, and blood circulation. The cerebellum mainly coordinates movement, while the hypothalamus regulates homeostasis and hormones.
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