Which of the following is incorrect pertaining to the lips?
A) They are attached by frenula to the vestibular gingiva.
B) The upper and lower lips receive sensory innervation via the infraorbital nerve.
C) Both lips receive blood via branches from the facial artery.
D) Lymph from the lips drain to the submandibular and submental lymph nodes.
E) They contain the orbicularis oris muscle.
Ans: B
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Fill in the blank(s) with correct word
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