12.肌肉收縮時,可以協助呼氣的是:
(A)外肋間肌(external intercostals)
(B)腹直肌(rectus abdominis)
(C)橫膈(diaphragm)
(D)胸鎖乳突肌(sternocleidomastoideus)
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統計: A(21), B(347), C(32), D(0), E(0) #1742501
統計: A(21), B(347), C(32), D(0), E(0) #1742501