玻璃体的性质错误的是()
A.凝胶样物质
B.无血管
C.具有支持减震作用
D.相对免疫赦免
E.最主要的成分是胶原
参考答案:E
解析:最主要的成分是水,占99%。
his being late again, he lost his job and had to stay at home.
A.Because
B.As result of
C.In case that
D.Because of
骨骼肌细胞贮存Ca2+的主要部位在()
A.纵管
B.横管
C.微管
D.终末池
E.肌质网