Bone is not an inert and unchanging substance but is continuously being solubilized and redeposited to the extent of ___ mg per day.

Options

A. 400
B. 350
C. 450
D. 300

Answer

A

Explanation

In normal adults, this exchange is in balance, but in elderly people, especially women, there is sometimes a net loss of bone calcium leading to the disease called osteoporosis. All this Ca passes through plasma.