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A.神經(jīng)元和神經(jīng)纖維
B.神經(jīng)元和突觸
C.樹突和軸突
D.神經(jīng)纖維和神經(jīng)末梢
E.神經(jīng)元和神經(jīng)膠質(zhì)細(xì)胞

A.粗而長
B.長而細(xì)
C.全長4~5cm
D.粗而短
E.經(jīng)左肺門入肺