13.下列何構造的主要作用在限制吸氣的時間?
(A)腹側呼吸群(ventral respiratory group)
(B)背側呼吸群(dorsal respiratory group)
(C)長吸中樞(apneustic center)
(D)呼吸調節頻率中樞(pneumotaxic center)
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統計: A(14), B(13), C(32), D(119), E(0) #3280023
統計: A(14), B(13), C(32), D(119), E(0) #3280023