原帖由 kks7 於 2008-2-27 06:34 AM 發表 
( X( Z7 h8 R* E! G5.39.217.77:8898我們人體到了 30 歲左右就停止製造骨質 5.39.217.77:88989 Z& H8 @* B! ^6 @- o
That's is not correct. It should be stop growing tall.
}8 P+ ^1 a7 P$ u% S; k1 y5.39.217.77:8898Bone growth is more or less in equilibrium, and become stable after 30s.
Z# z! {3 q% y/ R- there are 2 cells type in bone ... $ A4 y% J1 Y2 n8 b+ @- a# _HAHAHAAHA see see sometimes nothing is really what u see~~~~ |