原帖由 kks7 於 2008-2-27 06:34 AM 發表 www1.tvboxnow.com9 q& f& h0 s& i. _2 x: X) i
我們人體到了 30 歲左右就停止製造骨質 & N0 h! U. P+ n( \% X1 |
That's is not correct. It should be stop growing tall.
7 v" C$ p6 i8 a+ }1 Q; d1 SBone growth is more or less in equilibrium, and become stable after 30s.
6 y1 { h* _7 P! l0 I; k; Xtvb now,tvbnow,bttvb- there are 2 cells type in bone ... # n) \9 T8 a4 Y9 I. jHAHAHAAHA see see sometimes nothing is really what u see~~~~ |