The upper lip of the pig is thicker and connects with the nose to form the snout. The lower lip is small and the oral fissure is wide（）_精华吧

The upper lip of the pig is thicker and connects with the nose to form the snout. The lower lip is small and the oral fissure is wide（）

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The upper lip of the pig is thicker and connects with the nose to form the snout. The lower lip is small and the oral fissure is wide（）

A.正确

B.错误

正确答案：正确

Tag：动物解剖生理时间：2021-12-25 22:22:11

上一篇：The exocrine part consists of cells of different sizes, similar to the small island, so it is called pancreatic island（）
下一篇：Pigs ingeste using their lips, tongues, and teeth. The primary digestion of the feed in the mouth completes with the assistance of the salivary glands（）

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