muscular tube that connects mouth to stomach diagram

简单4步解决宝宝溢奶,吐奶

toe 脚趾112.knee 膝盖111.stomach 肚子110.shoulder 肩膀109.

vagina is a muscular tube that leads from the cervix to the out

your stomach is a muscularsac big enough to

p>[胃壁]肌层(muscular layer of stomach wall)是2014年公布的人体

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