原帖由 kks7 於 2008-2-27 06:34 AM 發表 tvboxnow.com9 g/ A, Y; _6 V) e2 w2 G8 `! U9 V
我們人體到了 30 歲左右就停止製造骨質
1 e* R2 X- d; }That's is not correct. It should be stop growing tall.
l7 w- C, m9 j8 J iBone growth is more or less in equilibrium, and become stable after 30s.
8 ^/ n, m+ q/ ^! W0 K' V- vtvb now,tvbnow,bttvb- there are 2 cells type in bone ... # J5 i8 a! w- [HAHAHAAHA see see sometimes nothing is really what u see~~~~ |