Why does the skeleton stop growing in length? A. Because the growth plates stop working B. Because the bones reach their maximum length C. Because there is not enough calcium and other nutrients in the body D. Because the cartilage in the growth plate has been replaced by bone

Option A.

Because the growth plates stop working.

Explanation:

Skeleton stop growing because the growth plates stop working and this is because the growth plates is the cartilage or tissue that is responsible for the longitudinal growth or increase in length or shape of a mature bones. Therefore when the the growth plate is hardened and turns to solid, it closes and when the growth plate closes, it stops working and then stops the skeleton from growing in length.

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