15. 聞到喜歡的食物而流口水;這是因為
(A)交感神經刺激唾液線(salivary gland)
(B)副交感神經刺激唾液線(salivary gland)
(C)咽喉(pharynx)分泌較多的黏液(mucus)
(D)黏膜下神經叢(submucus nerve plexus)受到刺激
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統計: A(4), B(47), C(0), D(1), E(0) #898102
統計: A(4), B(47), C(0), D(1), E(0) #898102