原帖由 kks7 於 2008-2-27 06:34 AM 發表 
# U% O3 v* e- p" Htvb now,tvbnow,bttvb我們人體到了 30 歲左右就停止製造骨質 5.39.217.77- Z( |& E3 a3 g
That's is not correct. It should be stop growing tall.
& @* Z6 s/ @ Q5 DBone growth is more or less in equilibrium, and become stable after 30s.
* I" F/ v" ]3 `4 v& E9 I" mtvb now,tvbnow,bttvb- there are 2 cells type in bone ... tvb now,tvbnow,bttvb' M& V$ q) V$ i R
HAHAHAAHA see see sometimes nothing is really what u see~~~~ |