原帖由 kks7 於 2008-2-27 06:34 AM 發表 
' Q- t; _: g" }" T4 v7 a6 Otvb now,tvbnow,bttvb我們人體到了 30 歲左右就停止製造骨質
& v7 t# U- r# j+ VThat's is not correct. It should be stop growing tall. ) i; S2 D3 d- m6 x, ~
Bone growth is more or less in equilibrium, and become stable after 30s.
% }5 ^# c; F* y& P$ A s- there are 2 cells type in bone ... N2 \2 F, V5 e; J# mHAHAHAAHA see see sometimes nothing is really what u see~~~~ |