MCAT Question A Day - 6/25/13 - Answer!
Through which part(s) of the brain would you expect voluntary motor signals to your legs to travel?
A. Cerebrum and cerebellum
B. Midbrain
C. Medulla
D. All of the above
The correct answer is (D). Voluntary motor signals originate in the primary motor cortex of the cerebrum, and then pass through the midbrain (cerebral peduncles) and the medulla on their way to the spinal cord. The cerebellum coordinates these signals along the way.
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