原帖由 kks7 於 2008-2-27 06:34 AM 發表 5 @+ Z, Q2 V4 c4 k2 @+ j: q
我們人體到了 30 歲左右就停止製造骨質 + W$ f0 l3 R" A1 H- D8 N
That's is not correct. It should be stop growing tall. tvb now,tvbnow,bttvb3 r. t% \' {) m, e L; D
Bone growth is more or less in equilibrium, and become stable after 30s.公仔箱論壇: Y4 I5 O5 F# n7 K
- there are 2 cells type in bone ... TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。4 ~' q2 w2 W4 G+ C" ?! [/ b
HAHAHAAHA see see sometimes nothing is really what u see~~~~ |