原帖由 kks7 於 2008-2-27 06:34 AM 發表
我們人體到了 30 歲左右就停止製造骨質
That's is not correct. It should be stop growing tall. f9 }0 V7 k$ u* q& c4 S1 u" a
Bone growth is more or less in equilibrium, and become stable after 30s., l+ p# B( p6 I+ s
- there are 2 cells type in bone ...
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