74.下列那一肌肉,收縮時會使胸腔變小並幫助呼氣 (expiration)?
(A) 橫膈 (diaphragm)
(B) 肋間外肌 (external intercostals)
(C) 肋間內肌 (internal intercostals)
(D) 腹外斜肌 (external oblique)
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統計: A(14), B(1), C(18), D(0), E(0) #3514896
統計: A(14), B(1), C(18), D(0), E(0) #3514896