A.心肌 B.平滑肌 C.不隨意肌 D.隨意肌
A.神經(jīng)節(jié)和神經(jīng)膠質(zhì)細(xì)胞 B.神經(jīng)元和神經(jīng)纖維 C.神經(jīng)纖維和神經(jīng)膠質(zhì)細(xì)胞 D.神經(jīng)元和神經(jīng)膠質(zhì)細(xì)胞
A.15~20 B.25~30 C.45~50 D.50~55