20 人類視覺的感受器(receptor)為何?
(A)桿狀細胞和錐狀細胞(rod cells and cone cells)
(B)視網膜色素上皮細胞(retinal pigment epithelial cells)
(C)梅氏小體(Meissner's corpuscles)
(D)毛細胞(hair cells)
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統計: A(30), B(2), C(3), D(0), E(0) #3497288
統計: A(30), B(2), C(3), D(0), E(0) #3497288