A．交感神經(jīng)的第一神經(jīng)元的細(xì)胞體位于在胸部和腰部脊髓灰質(zhì)的側(cè)角，副交感神經(jīng)的第一神經(jīng)元位于腦和骶部脊髓中
B．交感神經(jīng)的節(jié)前神經(jīng)纖維比副交感神經(jīng)的節(jié)前神經(jīng)纖維長(zhǎng)
C．交感神經(jīng)的節(jié)后神經(jīng)纖維支配的范圍比副交感神經(jīng)的節(jié)后神經(jīng)纖維大
D．交感神經(jīng)節(jié)后神經(jīng)纖維有一部分返回到脊髓中，而副交感神經(jīng)節(jié)后神經(jīng)纖維沒(méi)有