原帖由 kks7 於 2008-2-27 06:34 AM 發表 
. R3 _; ]+ ] b% u我們人體到了 30 歲左右就停止製造骨質 5.39.217.76! `+ x+ U4 c9 {) n
That's is not correct. It should be stop growing tall.
: a& V4 i, E- G" sBone growth is more or less in equilibrium, and become stable after 30s.5 |) r8 P3 a0 y* e) c7 \ A5 k( }
- there are 2 cells type in bone ... 公仔箱論壇% P' ^+ x- i/ _" S/ J8 }% O
HAHAHAAHA see see sometimes nothing is really what u see~~~~ |