阿摩線上測驗
50. Where is the "respiratory control center" located?
(A)larynx
(B)cerebellum
(C) spinal cord
(D)medullaoblongata
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統計： A(1), B(0), C(1), D(2), E(0) #3105098
統計： A(1), B(0), C(1), D(2), E(0) #3105098
