原帖由 kks7 於 2008-2-27 06:34 AM 發表 
- M7 N' a- U# _/ C# O5.39.217.77我們人體到了 30 歲左右就停止製造骨質 5.39.217.77' t* U# A* A% w2 b% s1 z, k
That's is not correct. It should be stop growing tall. + K8 d4 k' c7 B% |0 D4 M
Bone growth is more or less in equilibrium, and become stable after 30s.
z {+ J0 l+ w o' _# w8 f5.39.217.77- there are 2 cells type in bone ... tvb now,tvbnow,bttvb( l3 H, K4 Y d/ k' W ?
HAHAHAAHA see see sometimes nothing is really what u see~~~~ |