跳至內容

肛門

出自維基百科
人类嗰肛門外观(左女客右男客)

肛门係高等动物消化系统消化道嗰最末端,在直肠延伸至体外嗰开口处,係粪便排泄和消化系统废气(屁)嗰出口。由于其与排泄相关,有时也被归类到排泄系统(英语:Excretory system)嗰一部分。

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