尽管大多数钙在骨头中,但这个平衡仍然存在
Bone helps to buffer the ph level of the blood
calcium is release from bone and deposited into blood when the blood ph level falls
calcium is deposited into bone from blood when the blood ph level rises
如果缺,总是要想一下:钙是不是被偷走了,跑到血液中了