Which part of the human brain controls involuntary actions such as blood pressure, salivation, and vomiting?
Answer and explanation
Correct answer: D. Medulla oblongata in the hindbrain
- Step 1: Involuntary visceral functions like blood pressure regulation, swallowing, salivation, and vomiting are controlled by the medulla oblongata located in the hindbrain.
- Step 2: The cerebellum maintains posture and balance; the cerebrum controls voluntary thought and sensory processing.
Answer
Medulla oblongata in the hindbrain.
Why not the others: Cerebrum governs conscious thought, memory, and voluntary movement; cerebellum coordinates voluntary motor precision and posture.
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