A) feeding
B) sound production
C) barrier
D) None of these
Correct Answer: B
Solution :
Human mouth consists of two parts: Vestibules: It is a slit-like space bounded by lips and cheeks externally and by gum and teeth internally. The lips help in feeding and work as a barrier during chewing of food in mouth. Buccal cavity: It is the inner portion of mouth which have palate tongue and teeth. The tongue plays a role in speech.
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