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What is Which muscle plays a role in winking? and explain in detail?
Common facial expressions and the muscles producing them: Smiling and laughing: zygomaticus major Sadness: levator labii superioris and levator anguli oris Grief: depressor anguli oris Anger: dilator naris and depressor septi Frowning: corrugator supercilii and procerus Horror, terror, and fright: platysma Surprise: frontalis Doubt: mentalis Ref BDC volume;3,sixth edition