A drunk person walks unsteadily and cannot coordinate movements because alcohol mainly affects the
- A. medulla oblongata
- B. cerebellum
- C. hypothalamus
- D. pituitary gland
Explanation
The cerebellum fine tunes posture, balance and the timing of voluntary movement, so its depression by alcohol produces staggering and clumsiness. The medulla keeps the heart and lungs running, which is why severe poisoning, not drunkenness, threatens life.
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