17 強而有力的吸氣肌肉(muscle of inspiration)主要為:
(A)橫膈膜(diaphragm)
(B)肋間肌(intercostal muscles)
(C)胸大肌(pectoralis major)
(D)腹肌(abdominal muscles)

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統計: A(41), B(7), C(0), D(0), E(0) #914860