問題詳情

【題組】45.What happens during osteoporosis?
(A)The bones change shape.
(B)The bones become spongy.
(C)The osteoblasts fill the bone with holes.
(D)The osteoclasts stop dissolving the bone.

參考答案

答案:B
難度:簡單0.7
書單:沒有書單,新增