As the bronchi gradually become smaller, the walls of the tubes become thinner, and the glands gradually decrease or disappear._精华吧

As the bronchi gradually become smaller, the walls of the tubes become thinner, and the glands gradually decrease or disappear.

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As the bronchi gradually become smaller, the walls of the tubes become thinner, and the glands gradually decrease or disappear.

A.正确

B.错误

正确答案：正确

Tag：动物解剖生理时间：2021-12-25 22:22:59

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