Which statement about the facial artery is incorrect?

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It is the primary blood supplier to the palatine tonsil.It gives off branches that supply the upper and lower lips.It carries postganglionic sympathetic fibers to the submandibular gland.It originates from the internal carotid artery.

Explanation

The facial artery arises from the external carotid artery, not the internal carotid artery. It is indeed the main blood source for the palatine tonsil, supplies branches to the lips, and carries postganglionic sympathetic fibers to the submandibular gland.